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)
 F21H 1/00
Incandescent mantles; Selection of imbibition liquids therefor
 F21H 1/02
·  characterised by the material thereof
 F21H 1/04
·  Suspension devices therefor (for attaching the mantle on the housing of a lamp F21V 19/06)
 F21H 3/00
Manufacturing incandescent mantles; Treatment prior to use, e.g. burning-off; Machines for manufacturing
 F21H 5/00
Solid incandescent bodies (mantles F21H 1/00)