G02B 13/0055 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

G02B 13/0055

Full Title

Optical objectives specially designed for the purposes specified below (with variable magnification G02B15/00)

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.