Funnels, e.g. for liquids (filter funnels B01D29/085; volume flow-meters G01F)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Funnels, e.g. for liquids

CPC: Funnels, e.g. for liquids (filter funnels B01D29/085; volume flow-meters G01F)

Full titles differ between systems:

IPC:

Funnels, e.g. for liquids

CPC:

Funnels, e.g. for liquids (filter funnels B01D29/085; volume flow-meters G01F)

Of 6 combined children, 3 exist in both systems.

3 codes are CPC-only extensions.

Note: 3 CPC extensions are marked as secondary classification only.

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B67C 11/02 without discharge valves +2 CPC IPC+CPC Available in IPC and CPC
B67C 11/04 with non-automatic discharge valves IPC+CPC Available in IPC and CPC
B67C 11/06 with automatic discharge valves +2 CPC IPC+CPC Available in IPC and CPC
B67C 2011/20 2nd only CPC only CPC only
B67C 2011/30 2nd only CPC only CPC only
B67C 2011/40 2nd only CPC only CPC only

Class B67,2013–2023, worldwide · Source: EPO PATSTAT

Class B67,2013–2023, worldwide · Source: EPO PATSTAT