F
SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  
LIGHTING AND HEATING
 F21
LIGHTING (details specific to arc lamps H05B 31/00)
 F21

Note(s)

  1. Attention is drawn to the note (Note III) following the Contents of Section of Section H.
  2. In this class, the following terms are used with the meanings indicated:
    1. "Portable" means "intended to be carried personally".
    2. "Non-portable" means "not intended to be carried personally, even if capable of being moved from place to place".
    3. "Electric" includes "not stated to be non-electric".
 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, AND FESTIVAL LIGHTING (beam lighting devices F21M; decorative lighting devices for domestic use F21S)

 F21Q
NON-PORTABLE LIGHTING DEVICES FOR SIGNALLING (arrangements or adaptation of optical signalling devices for vehicles, see the relevant classes B60-B64; burners, combustion apparatus F23; signalling arrangements or devices, other than lamps or shutters therefor, G08B)

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

 F21V
DETAILS OF LIGHTING DEVICES, OF GENERAL APPLICATION
 F21V

Note(s)

In this sub-class have been included only those lighting device details which were considered to be of a kind applicable to the lighting devices of more than one of the sub-classes F21L, F21M, F21P, F21Q, F21S. Inventions concerned with details of the kinds provided for are to be classified in this sub-class, even though they are only stated to be applied to a device of a single sub-class.