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".
 F21K
LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
 F21K 2/00
Light sources using luminescence (using excitation by another light source F21V 9/16; lamps, other than those in which all the electrodes are within the vessel, in which a screen or coating is excited to luminesce by radioactive located inside the vessel H01J 65/08; 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 C06B)
 F21K 5/02
·  ignited in a non-disrupting container, e.g. photo-flash bulb
 F21K 7/00
Other light sources