Patent Classification Explorer PCE

DIFF Main Group

B31F 7/00

Processes not otherwise provided for

Introduced: September 1968

CPC subdivides this area 5x more granularly than IPC with 4 additional codes.

4 codes are CPC-only extensions.

Child Classifications

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B31F 7/002 CPC only CPC only
B31F 7/004 CPC only CPC only
B31F 7/006 CPC only CPC only
B31F 7/008 CPC only CPC only
B31F 7/02 Breaking coatings, e.g. on paper or cardboard IPC+CPC Available in IPC and CPC