|  | F |
SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

LIGHTING AND HEATING

|  | F21 |
LIGHTING (details specific to arc lamps Fulltext... Hierarchy... Expanded...H05B 31/00)

|  | F21 |
Note(s) Attention is drawn to the note (Note III) following the Contents of Section of Section H. In this class, the following terms 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".

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

|  | F21Q 1/00 |
Lighting devices for signalling adapted to be mounted on the exterior of vehicles (Fulltext... Hierarchy... Expanded...F21Q 5/00 takes precedende)

|  | F21Q 3/00 |
Other lighting devices for signalling, e.g. indicator lamps (Fulltext... Hierarchy... Expanded...F21Q 5/00 takes precedence)

|  | F21Q 3/02 |
· | Devices producing a focused beam, e.g. for lighthouses

|  | F21Q 5/00 |
Lighting devices for signalling employing combinations of electric and non-electric light sources; Replacing electric by non-electric light sources or vice-versa, in lighting devices for signalling