with arrangements for cleaning or cooling the smoke (hookahs A24F1/30)

Introduced: September 1968

Title

Titles differ between systems:

IPC: with arrangements for cleaning or cooling the smoke

CPC: with arrangements for cleaning or cooling the smoke (hookahs A24F1/30)

Full titles differ between systems:

IPC:

Tobacco pipes > with arrangements for cleaning or cooling the smoke

CPC:

Tobacco pipes > with arrangements for cleaning or cooling the smoke (hookahs A24F1/30)

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

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A24F 1/04 with smoke chamber or slobber traps IPC+CPC Available in IPC and CPC
A24F 1/16 with zigzag or like passages for the smoke IPC+CPC Available in IPC and CPC
A24F 1/18 with non-absorbent linings IPC+CPC Available in IPC and CPC
A24F 1/20 with absorbent linings IPC+CPC Available in IPC and CPC
A24F 1/22 with arrangements for cooling by air, e.g. pipes with double walls IPC+CPC Available in IPC and CPC

Class A24,2013–2023, worldwide · Source: EPO PATSTAT

Class A24,2013–2023, worldwide · Source: EPO PATSTAT