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 explanatory note (III) in 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".
 F21K
LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
 F21K 2/00
Light sources using luminescence (using excitation by another light source F21V 9/16; using electroluminescence H05B 33/00)
 F21K 2/02
·  excited by radiation from radioactive material
 F21K 2/04
·  using triboluminescence; using thermoluminescence
 F21K 5/00
Light sources using a charge of combustible material (illuminating compositions C06D 1/00)
 F21K 5/02
·  ignited in a non-disrupting container, e.g. photo-flash bulb
 F21K 7/00
Other light sources