F
SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
 F01 - 
F04
Subsection index
MACHINES
positive displacement
rotary or oscillating piston
liquid and elastic fluid or elastic fluidF01C
liquid onlyF04C
reciprocating piston or other
liquid and elastic fluid or elastic fluidF01B
liquid onlyF04B
non-positive displacement
liquid and elastic fluid or elastic fluidF01D
liquid onlyF03B
ENGINES
positive displacement
rotary or oscillating piston
liquid and elastic fluid or elastic fluidF01C
liquid onlyF03C
reciprocating piston or other
liquid and elastic fluid or elastic fluidF01B
liquid onlyF03C
non-positive displacement
liquid and elastic fluid or elastic fluidF01D
liquid onlyF03B
PUMPS
positive displacement
rotary or oscillating pistonF04C
reciprocating piston or otherF04B
non-positive displacementF04D
  
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] 
 F21L
LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION  [1,7]
 F21L

Note(s)

  1. This subclass covers devices or systems designed or specially adapted to be carried, e.g. by hand, or otherwise transported from place to place, e.g. on wheeled supports, in order to provide illumination as and where required. [7]
  2. This subclass does not cover devices or systems intended for fixed installation, e.g. vehicle lighting, or for use essentially at a permanent location, which are covered by subclass F21S[7]
 F21L - 
F21L 27/00

Note(s)

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

 F21L
Subclass index
ELECTRIC DEVICES
Systems 2/00
with self-contained batteries or cells 4/00
with built-in generators 13/00
without self-contained power source 14/00
NON-ELECTRIC DEVICES
Torches, flares; lanterns 17/00; 19/00
Pocket-lamps; miners' hand-lamps 21/00; 23/00
Other portable lighting devices or systems thereof 26/00
COMBINATIONS OF ELECTRIC AND NON-ELECTRIC DEVICES 27/00
 F21L 2/00 - 
F21L 14/00
Electric lighting
P:10 F21L 2/00
Systems of lighting devices  [7]
P:20 F21L 4/00
Devices with self-contained electric batteries or cells  [7]
 F21L 4/02
·  characterised by provision of two or more light sources  [7]
 F21L 4/04
·  characterised by provision of a light source housing portion adjustably fixed to the remainder of the device  [7]
 F21L 4/06
·  with light source coupled to the remainder of the device solely by cable  [7]
 F21L 4/08
·  characterised by means for in situ recharging of the batteries or cells  [7]
P:30 F21L 13/00
Devices with built-in electric generators (with solar cells F21L 4/00)  [1,7]
 F21L 13/02
·  with fluid drive
 F21L 13/04
·  ·  actuated by hand
 F21L 13/06
·  with mechanical drive, e.g. spring
 F21L 13/08
·  ·  by reciprocating pusher actuated by hand
P:40 F21L 14/00
Devices without a self-contained power source, e.g. for mains connection  [7]
 F21L 14/02
·  capable of hand-held use, e.g. inspection lamps  [7]
 F21L 14/04
·  carried on wheeled supports  [7]
 F21L 17/00 - 
F21L 26/00
Non-electric lighting (candle holders F21V 35/00; burners, combustion apparatus F23)
P:80 F21L 17/00
Torches; Flares
P:70 F21L 19/00
Lanterns, e.g. hurricane lamps, candle lamps
P:60 F21L 21/00
Pocket-lamps, e.g. producing sparks
P:50 F21L 23/00
Miners' hand-lamps
P:90 F21L 26/00
Non-electric portable lighting devices, or systems thereof, not provided for in groups F21L 17/00-F21L 23/00  [8]
   
P:0 F21L 27/00
Devices or systems employing combinations of electric and non-electric light sources; Replacing electric by non-electric light sources or vice versa