F
SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  
LIGHTING; HEATING
 F21
LIGHTING (electric aspects or elements, see section H, e.g. electric light sources H01J, H01K, H05B)
 F21

Note(s)

  1. If the disclosure gives no indication as to whether it relates to electrical means or not, it should be classified as if it were in fact electric. [7]
  2. Attention is drawn to Note III following the Contents of Section of section H.
  3. Attention is drawn to the following places: [7]
    A01G 9/20Lights for cultivation in receptacles, forcing frames, greenhouses  [7] 
    A01K 63/06Aquaria  [7] 
    A01K 75/02Fishing nets  [7] 
    A01K 85/01Fishing baits  [7] 
    A01M 1/04Catching insects  [7] 
    A21B 3/10Baker's ovens  [7] 
    A45B 3/02Sticks  [7] 
    A45C 15/06Bags, purses, or the like  [7] 
    A45D 33/32Toilet or cosmetic powder containers  [7] 
    A45D 42/10Shaving mirrors  [7] 
    A47F 11/10Shop windows or showcases  [7] 
    A47L 9/30Suction cleaners  [7] 
    A61B 1/00Medical instruments for examining body cavities or tubes  [7] 
    A61C 13/15Curing dental plastics prostheses by light action  [7] 
    A61H 15/02Massage adapted for simultaneous treatment with light  [7] 
    A61N 5/06Radiation therapy  [7] 
    A63B 15/02Clubs  [7] 
    A63B 43/06Balls  [7] 
    A63C 17/26Roller skates or skate boards  [7] 
    A63H 1/24Tops  [7] 
    A63H 17/28Toy vehicles  [7] 
    A63H 19/20Model railways  [7] 
    B25B 23/18Spanners, wrenches, screwdrivers  [7] 
    B26B 19/46Hair clippers or dry shavers  [7] 
    B26B 21/46Accessories for razors  [7] 
    B41B 21/08Photographic composing machines  [7] 
    B41J 29/19Typewriters or selective printing machines  [7] 
    B43K 29/10Writing implements  [7] 
    B44D 3/24Lamps for baking lacquers used in painting or artistic drawing  [7] 
    B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general  [7] 
    B61D 29/00Railway vehicles  [7] 
    B61L 5/18Railway light signals  [7] 
    B61L 9/00Points, form signals, or gates  [7] 
    B62J 6/00Cycles  [7] 
    B63B 45/00Ships  [7] 
    B63C 9/20Life-buoys, life-belts, lifejackets  [7] 
    B64D 47/02Aircraft  [7] 
    B67D 5/66Apparatus for transferring liquids  [7] 
    D05B 79/00Sewing machines  [7] 
    E01F 9/016Road signs  [7] 
    E01F 9/053Road surface markings  [7] 
    E04H 15/10Tents or canopies  [7] 
    E05B 17/10Locks or keys  [7] 
    F24F 3/056Air conditioning systems  [7] 
    F24F 13/078Outlets for directing air into rooms or spaces combined with lighting fixtures  [7] 
    F25D 27/00Cooling or freezing apparatus  [7] 
    F27D 21/02Furnaces, kilns, ovens or retorts  [7] 
    F41G 1/35Night sights  [7] 
    G01C 9/32Levels  [7] 
    G01C 17/24Compasses  [7] 
    G01D 11/28Measuring arrangements  [7] 
    G01G 23/30Weighing apparatus  [7] 
    G01K 1/06Thermometers  [7] 
    G01P 1/08Speedometers  [7] 
    G01R 1/08Instruments for measuring  [7] 
    G02B 21/06Microscopes  [7] 
    G02B 25/02Magnifying glasses  [7] 
    G02B 27/20Light-pointers  [7] 
    G02B 27/34Optical instruments  [7] 
    G02C 11/04Spectacles  [7] 
    G02F 1/1335Liquid crystals  [7] 
    G02F 1/157Electrochromic cells  [7] 
    G03B 15/02Illuminating scene for taking photographs  [7] 
    G03B 15/03Cameras  [7] 
    G03B 27/16Contact photographic printing  [7] 
    G03B 27/54Projection photographic printing  [7] 
    G04B 19/30Clocks  [7] 
    G04C 17/02Time indicating by electric lamps  [7] 
    G04C 19/02Time signalling by electric lamps  [7] 
    G08B 5/36Visible signalling or calling systems  [7] 
    G08B 17/103Actuation of fire alarms  [7] 
    G08G 1/095Traffic lights  [7] 
    G09F 13/00Illuminated signs  [7] 
    G09F 19/22Advertising or display means on roads or walls  [7] 
    G09F 21/10, 
    G09F 21/14Aircraft advertising  [7] 
    G09F 21/20Advertising on ships  [7] 
    G09F 23/04Illuminated advertising on or in specific articles  [7] 
    G12B 11/00Indicating elements of instruments  [7] 
    H01H 73/14Indicating lamps in circuit-breaker switches  [7] 
    H01H 85/32Indicating lamps in fuses  [7] 
    H01Q 1/06Lighting of aerials  [7] 
    H01R 13/717Coupling devices with built-in light bulbs  [7] 
    H03K 21/20Pulse counter or frequency divider indicators using glow-discharge lamps  [7] 
    H04M 1/22Illuminating of telephone substation equipment  [7] 
 F21V
FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR  [1,7]
 F21V

Note(s)

In this subclass, it is desirable to add the indexing codes of subclasses F21W and F21Y. The indexing codes should be unlinked[7]

 F21V
Subclass index
DETAILS OF PARTS INVOLVED IN LIGHT EMISSION OR DISTRIBUTION
Shades; globes; refractors; reflectors 1/00; 3/00; 5/00; 7/00
Light guides 8/00
Light filters 9/00
Other screens 11/00
Combinations of elements 13/00
Changing characteristics or distribution of the light 14/00
DETAILS OF PARTS NOT INVOLVED IN LIGHT EMISSION OR DISTRIBUTION
Fastening 17/00; 19/00
Arrangements for supporting or suspending 21/00
Arrangements of electric circuit elements 23/00
Cable stowing 27/00
Protection; safety; cooling; tightness 15/00; 25/00; 29/00; 31/00
Combinations with other articles 33/00
Candle holders 35/00
Arrangements of mantles or burners 36/00
Details of combustion lighting 37/00
 F21V 1/00 - 
F21V 14/00
Details of those parts involved in light emission or distribution (optical elements or systems in general G02B)
 F21V 1/00
Shades
 F21V 1/02
·  Frames
 F21V 1/04
·  ·  rigid (F21V 1/08 takes precedence)
 F21V 1/06
·  ·  foldable or collapsible
 F21V 1/08
·  ·  adjustable
 F21V 1/10
·  Rotating shades
 F21V 1/12
·  Composite shades
 F21V 1/14
·  Covers for frames; Frameless shades
 F21V 1/16
·  ·  characterised by the material
 F21V 1/18
·  ·  ·  the material being paper
 F21V 1/20
·  ·  ·  the material being glass
 F21V 1/22
·  ·  ·  the material being plastics
 F21V 1/24
·  ·  ·  the material being metal
 F21V 1/26
·  Manufacturing shades
 F21V 3/00
Globes; Bowls; Cover glasses (with refracting properties F21V 5/00; with reflecting properties F21V 7/00)
 F21V 3/02
·  characterised by the shape
 F21V 3/04
·  characterised by the material; characterised by surface treatments or coatings
 F21V 5/00
Refractors
 F21V 5/02
·  of prismatic shape (F21V 5/04 takes precedence)
 F21V 5/04
·  of lens shape
 F21V 5/06
·  Hanging lustres for chandeliers
 F21V 5/08
·  producing an asymmetric light distribution  [1,7]
 F21V 7/00
Reflectors
 F21V 7/02
( covered by F21V 7/00 )
 F21V 7/04
·  Optical design (F21V 7/22 takes precedence)  [1,7]
 F21V 7/05
·  ·  plane  [1,7]
 F21V 7/06
·  ·  with parabolic curvature  [1,7]
 F21V 7/07
·  ·  with hyperbolic curvature  [1,7]
 F21V 7/08
·  ·  with elliptical curvature  [1,7]
 F21V 7/09
·  ·  with a combination of different curvatures  [1,7]
 F21V 7/10
·  Construction (F21V 7/22 takes precedence)  [1,7]
 F21V 7/12 - 
F21V 7/14
( covered by F21V 7/00 )
 F21V 7/16
·  ·  with provision for adjusting the curvature  [1,7]
 F21V 7/18
·  ·  with provision for folding or collapsing  [1,7]
 F21V 7/20
·  ·  specially adapted for facilitating cooling, e.g. with fins (cooling by other means, e.g. fluid, F21V 29/00)  [1,7]
 F21V 7/22
·  characterised by the material; characterised by surface treatments or coatings
 F21V 8/00
Use of light guides, e.g. fibre optic devices, in lighting devices or systems (light guides per se, structural details of arrangements with other optical elements G02B 6/00)  [4]
 F21V 9/00
Light filters (coloured shades F21V 1/00); Selection of luminescent materials for light screens (luminescent materials per se C09K 11/00; electroluminescent light sources H05B 33/00)
 F21V 9/02
·  for simulating daylight (F21V 9/04, F21V 9/06, F21V 9/16 take precedence)
 F21V 9/04
·  for filtering out infra-red radiation (using liquid-filled chambers F21V 9/12)
 F21V 9/06
·  for filtering out ultra-violet radiation (F21V 9/16 takes precedence)
 F21V 9/08
·  for producing coloured light, e.g. monochromatic; for reducing intensity of light (F21V 9/16 takes precedence)
 F21V 9/10
·  ·  with provision for variation of the colour or intensity (F21V 9/12 takes precedence)
 F21V 9/12
·  ·  with liquid-filled chambers
 F21V 9/14
·  for producing polarised light
 F21V 9/16
·  Selection of luminescent materials for light screens
 F21V 11/00
Screens not covered by groups F21V 1/00, F21V 3/00, F21V 7/00, F21V 9/00
 F21V 11/02
·  using parallel laminae or strips, e.g. of Venetian-blind type (F21V 11/06 takes precedence)
 F21V 11/04
·  ·  adjustable
 F21V 11/06
·  using crossed laminae or strips; using lattices or honeycombs
 F21V 11/08
·  using diaphragms containing one or more apertures
 F21V 11/10
·  ·  of iris type
 F21V 11/12
·  ·  of slot type
 F21V 11/14
·  ·  with many small apertures
 F21V 11/16
·  using sheets without apertures, e.g. fixed (F21V 11/02, F21V 11/06 take precedence)
 F21V 11/18
·  ·  movable, e.g. flaps, slides
 F21V 13/00
Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V 1/00-F21V 11/00 (by means of a combination of two or more elements covered by a single one of main groups F21V 1/00-F21V 11/00, see the relevant group; changing the characteristics or distribution of the light emitted by adjustment of parts F21V 14/00)  [1,7]
 F21V 13/02
·  Combinations of only two kinds of elements
 F21V 13/04
·  ·  the elements being reflectors and refractors
 F21V 13/06
·  ·  ·  a reflector being rotatable
 F21V 13/08
·  ·  the elements being reflectors and filters
 F21V 13/10
·  ·  the elements being reflectors and screens
 F21V 13/12
·  Combinations of only three kinds of elements
 F21V 13/14
·  ·  the elements being reflectors, refractors, and filters
 F21V 14/00
Changing the characteristics or distribution of the light emitted by adjustment of parts (reflectors with provision for adjusting the curvature F21V 7/16; light filters with provision for variation of colour or intensity F21V 9/10; screens using iris-type diaphragms F21V 11/10; adjustable mountings for lighting devices F21V 21/14)  [7]
 F21V 14/02
·  by movement of light sources  [7]
 F21V 14/04
·  by movement of reflectors  [7]
 F21V 14/06
·  by movement of refractors  [7]
 F21V 14/08
·  by movement of screens  [7]
 F21V 15/00 - 
F21V 37/00
Details of those parts not involved in light emission or distribution, e.g. fittings
 F21V 15/00
Protecting lighting devices from damage (cooling or heating arrangements F21V 29/00; gas-tight or water-tight arrangements F21V 31/00)
 F21V 15/01
·  Housings, e.g. material or assembling of housing parts (F21V 15/02 takes precedence)  [7]
 F21V 15/015
·  ·  Devices for covering joints between adjacent lighting devices; End coverings  [7]
 F21V 15/02
·  Cages
 F21V 15/04
·  Resilient mountings, e.g. shock-absorbers (in general F16F 15/04)
 F21V 15/06
·  Thermal insulation  [7]
 F21V 17/00
Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages (of light sources or light holders F21V 19/00; gas-tight or water-tight arrangements F21V 31/00)
 F21V 17/02
·  with provision for adjustment (F21V 17/04-F21V 17/08 take precedence; changing the characteristics or distribution of the light emitted by adjustment of parts F21V 14/00)  [1,7]
 F21V 17/04
·  onto or by the light source
 F21V 17/06
·  onto or by the lamp holder
 F21V 17/08
·  onto the supporting or suspending arrangements of the lighting device, e.g. power cords, standards  [7]
 F21V 17/10
·  characterised by specific fastening means or way of fastening (F21V 17/02-F21V 17/08 take precedence)  [7]
 F21V 17/12
·  ·  by screwing  [7]
 F21V 17/14
·  ·  Bayonet-type fastening  [7]
 F21V 17/16
·  ·  by deformation of parts of the lighting device; Snap action mounting  [7]
 F21V 17/18
·  ·  Latch-type fastening, e.g. with rotary action  [7]
 F21V 17/20
·  ·  by toggle-action levers  [7]
 F21V 19/00
Fastening of light sources or lamp holders (fastening electric light source solely by the coupling device H01R 33/00)
 F21V 19/02
·  with provision for adjustment, e.g. for focusing (changing the characteristics or distribution of the light emitted by adjustment of parts F21V 14/00)  [1,7]
 F21V 19/04
·  with provision for changing light source, e.g. turret
 F21V 19/06
·  Fastening incandescent mantles or other incandescent bodies to lamp parts; Suspension devices for incandescent mantles or other incandescent bodies  [1,7]
 F21V 21/00
Supporting, suspending, or attaching arrangements for lighting devices (F21V 17/00, F21V 19/00 take precedence; arrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general B60Q; stands for supporting apparatus or articles in general F16M 11/00); Hand grips  [1,7]
 F21V 21/002
·  making direct electrical contact, e.g. by piercing (F21V 21/35 takes precedence)  [7]
 F21V 21/005
·  for several lighting devices in an end-to-end arrangement, i.e. light tracks  [7]
 F21V 21/008
·  Suspending from a cable or suspension line  [7]
 F21V 21/02
·  Wall, ceiling, or floor bases; Fixing pendants or arms to the bases (F21V 21/08 takes precedence; bases for movable standing lamps F21V 21/06)
 F21V 21/03
·  ·  Ceiling bases, e.g. ceiling roses (F21V 21/04 takes precedence)  [7]
 F21V 21/04
·  ·  Recessed bases
 F21V 21/06
·  Bases for movable standing lamps; Fixing standards to the bases (F21V 21/08 takes precedence)
 F21V 21/08
·  Devices for easy attachment to a desired place
 F21V 21/084
·  ·  Head fittings (for medical purposes A61B 1/06)  [7]
 F21V 21/088
·  ·  Clips; Clamps  [7]
 F21V 21/092
·  ·  Suction devices  [7]
 F21V 21/096
·  ·  Magnetic devices  [7]
 F21V 21/10
·  Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards (adjustable mounting F21V 21/14; construction of posts not peculiar to use with lighting devices E04H 12/00)
 F21V 21/104
·  ·  Pendants  [7]
 F21V 21/108
·  ·  Arms  [7]
 F21V 21/112
·  ·  Fixing lighting devices to pendants (F21V 21/002 takes precedence)  [7]
 F21V 21/116
·  ·  Fixing lighting devices to arms or standards (F21V 21/002 takes precedence)  [7]
 F21V 21/12
·  ·  capable of being elongated or shortened by the insertion or removal of intermediate pieces
 F21V 21/13
·  Spring-loaded poles fixed at both ends  [7]
 F21V 21/14
·  Adjustable mountings
 F21V 21/15
·  ·  specially adapted for power operation, e.g. by remote control  [7]
 F21V 21/16
·  ·  using wires or cords
 F21V 21/18
·  ·  ·  operated by springs
 F21V 21/20
·  ·  ·  operated by weights
 F21V 21/22
·  ·  telescopic
 F21V 21/24
·  ·  Lazy-tongs
 F21V 21/26
·  ·  Pivoted arms
 F21V 21/28
·  ·  ·  adjustable in more than one plane
 F21V 21/29
·  ·  ·  ·  employing universal joints
 F21V 21/30
·  ·  Pivoted housings or frames
 F21V 21/32
·  ·  Flexible tubes
 F21V 21/34
·  Supporting elements displaceable along a guiding element
 F21V 21/35
·  ·  with direct electrical contact between the supporting element and electric conductors running along the guiding element  [7]
 F21V 21/36
·  Hoisting or lowering devices, e.g. for maintenance (F21V 21/14 takes precedence)
 F21V 21/38
·  ·  with a cable
 F21V 21/40
·  Hand grips  [7]
 F21V 23/00
Arrangement of electric circuit elements in or on lighting devices (electric circuits per se H05B 39/00)
 F21V 23/02
·  the elements being transformers or impedances
 F21V 23/04
·  the elements being switches (safety devices F21V 25/00)
 F21V 23/06
·  the elements being coupling devices
 F21V 25/00
Safety devices structurally associated with lighting devices (gas-tight or water-tight arrangements F21V 31/00; in general F16P; protective circuit arrangements per se H02H 7/00)
 F21V 25/02
·  coming into action when lighting device is disturbed, dismounted, or broken
 F21V 25/04
·  ·  breaking the electric circuit
 F21V 25/06
·  ·  feeding a quenching fluid to the light source
 F21V 25/08
·  ·  cutting the incandescent filament
 F21V 25/10
·  coming into action when lighting device is over-loaded, e.g. thermal switch
 F21V 25/12
·  Flameproof or explosion-proof arrangements
 F21V 27/00
Cable-stowing arrangements structurally associated with lighting devices, e.g. reels (storing lengths of cable in general B65H)
 F21V 27/02
·  Cable inlets  [7]
 F21V 29/00
Cooling or heating arrangements (air-treatment systems with air-flow over lighting fixtures F24F 3/056; lighting fixtures combined with outlets for air-treatment systems F24F 13/078)  [1,7]
 F21V 29/02
·  Cooling by forcing air over or around the light source (cooling arrangements structurally associated with electric lamps H01J 61/52, H01K 1/58)  [7]
 F21V 31/00
Gas-tight or water-tight arrangements
 F21V 31/02
( covered by F21V 31/00 )
 F21V 31/03
·  with provision for venting  [7]
 F21V 31/04
·  Provision of filling media (safety devices F21V 25/00; cooling arrangements F21V 29/00)
 F21V 33/00
Structural combinations of lighting devices with other articles, not otherwise provided for  [1,7]
 F21V 33/00

Note(s)

Attention is drawn to Note (3) following the title of class F21[7]

 F21V 35/00
Candle holders
 F21V 36/00
Arrangements of mantles or other incandescent bodies on burners (attaching to lamp parts F21V 19/06)
 F21V 36/02
·  in ceiling lamps
 F21V 37/00
Details of lighting devices employing combustion as light source, not otherwise provided for  [1,7]
 F21V 37/02
·  Special adaptation for protection against draughts  [7]