F16J 15/021 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

F16J 15/021

Full Title

Sealings > between relatively-stationary surfaces (F16J15/46, F16J15/48 take precedence)

Of 2 combined children, 0 exist in both systems.

2 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.