G11B 23/281 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

G11B 23/281

Full Title

Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus > Indicating prior or unauthorised use,

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.

View in CPC →