Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes

Introduced: January 1980

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1980.

Child Classifications

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A24D 3/02 Manufacture of tobacco smoke filters since 1980 +6 CPC IPC+CPC Available in IPC and CPC
A24D 3/04 Tobacco smoke filters characterised by their shape or structure since 1980 +5 CPC IPC+CPC Available in IPC and CPC
A24D 3/06 Use of materials for tobacco smoke filters since 1980 +3 CPC IPC+CPC Available in IPC and CPC
A24D 3/17 Filters specially adapted for simulated smoking devices since 2020 IPC+CPC Available in IPC and CPC
A24D 3/18 Mouthpieces of cigars or cigarettes; Manufacture thereof (manufacture of tobacco smoke filters A24D3/02) since 1980 +1 CPC IPC+CPC Available in IPC and CPC