Patent Classification Explorer PCE

DIFF Main Group

B22C 7/00

Patterns; Manufacture thereof so far as not provided for in other classes

Introduced: September 1968

Of 4 combined children, 3 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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B22C 7/005 CPC only CPC only
B22C 7/02 Lost patterns +1 CPC IPC+CPC Available in IPC and CPC
B22C 7/04 Pattern plates IPC+CPC Available in IPC and CPC
B22C 7/06 Core boxes +3 CPC IPC+CPC Available in IPC and CPC