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.
 F21K
LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
 F21K 2/00
Light sources using luminescence (selection of luminescent materials for light screens F21V 9/16; using excitation by radioactivity G21H 3/02, H01J 65/06, H01J 65/08; electroluminescent light sources H05B 33/00)  [2]
 F21K 2/04
·  using triboluminescence; using thermoluminescence
 F21K 2/06
·  using chemiluminescence  [3]
 F21K 2/08
·  ·  activated by an electric field, i.e. electrochemiluminescence  [3]
 F21K 5/00
Light sources using a charge of combustible materials (illuminating compositions C06B; fireworks F42B 4/00)  [3]
 F21K 5/02
·  ignited in a non-disrupting container, e.g. photo-flash bulb
 F21K 7/00
Other light sources