Patent Classification Explorer PCE

DIFF Main Group

A44C 9/00

Finger-rings

Introduced: September 1968

CPC subdivides this area 6x more granularly than IPC with 5 additional codes.

5 codes are CPC-only extensions.

Child Classifications

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A44C 9/0007 +1 CPC CPC only CPC only
A44C 9/0038 +1 CPC CPC only CPC only
A44C 9/0053 +2 CPC CPC only CPC only
A44C 9/0076 CPC only CPC only
A44C 9/0084 +1 CPC CPC only CPC only
A44C 9/02 adjustable IPC+CPC Available in IPC and CPC