IPC Subgroup
A24D 3/06 Use of materials for tobacco smoke filters
Introduced: January 1980
Last revised: January 2006
Full Title
Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes > Use of materials for tobacco smoke filters
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- Subclass:
- CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
4 direct subcodes
Child Classifications
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