IPC Subgroup
A24F 5/04 with holes for admitting air
Introduced: September 1968
Last revised: January 2006
Full Title
Bowls for pipes > with holes for admitting air
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- Subclass:
- SMOKERS’ REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES