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

Note(s)

  1. In this class, the following terms or expressions are used with the meanings indicated:
    • "portable" means "intended to be carried personally";
    • "non-portable" means "not intended to be carried personally, even if capable of being moved from place to place";
    • "electric" includes "not stated to be non-electric".
  2. Attention is drawn to Note III following the Contents of Section of section H.
 F21H
MANTLES; OTHER INCANDESCENT BODIES HEATED BY COMBUSTION (arrangements thereof F21V 36/00; burners F23D)

 F21K
LIGHT SOURCES NOT OTHERWISE PROVIDED FOR

 F21L
PORTABLE LIGHTING DEVICES

 F21M
NON-PORTABLE BEAM LIGHTING DEVICES OR SYSTEMS (signal lighting devices F21Q)

 F21P
NON-PORTABLE DEVICES OR SYSTEMS FOR FLOOD-LIGHTING BUILDINGS, LIGHTING FOUNTAINS, LIGHTING STAGES, OR FESTIVAL LIGHTING (beam lighting devices F21M; decorative lighting devices for domestic use F21S)

 F21Q
NON-PORTABLE LIGHTING DEVICES FOR SIGNALLING (burners, combustion apparatus F23; signalling arrangements or devices, other than lamps or shutters therefor, G08B)  [4]

 F21S
NON-PORTABLE LIGHTING DEVICES OR SYSTEMS, NOT OTHERWISE PROVIDED FOR

 F21V
DETAILS OF LIGHTING DEVICES, OF GENERAL APPLICATION
 F21V

Note(s)

  1. This subclass covers only those lighting devices details which are considered to be of a kind applicable to the lighting devices covered by more than one of the subclasses F21L, F21M, F21P, F21Q, F21S.
  2. Inventions concerning such details are classified in this subclass, even though they are only stated to be applied to a device of a single subclass.