IPC Subgroup
F23Q 2/46 Friction wheels; Arrangement of friction wheels
Introduced: September 1968
Last revised: January 2006
Full Title
Lighters containing fuel, e.g. for cigarettes > Component parts or accessories > Friction wheels; Arrangement of friction wheels
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- COMBUSTION APPARATUS; COMBUSTION PROCESSES
- Subclass:
- IGNITION; EXTINGUISHING DEVICES