G02B 27/022 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

G02B 27/022

Full Title

Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 > Viewing or reading apparatus (stereoscopic systems G02B30/00)

Of 3 combined children, 0 exist in both systems.

3 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.

View in CPC →