C03B 23/073 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

C03B 23/073

Full Title

Re-forming shaped glass (re-forming fibres or filaments C03B37/14) > Re-forming tubes or rods > by blowing, e.g. for making electric bulbs

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.