Cases

Introduced: September 1968

Of 13 combined children, 8 exist in both systems.

5 codes are CPC-only extensions.

6 shared codes have differing titles between IPC and CPC.

Child Classifications

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G04B 37/0008 +6 CPC CPC only CPC only
G04B 37/0066 CPC only CPC only
G04B 37/0075 CPC only CPC only
G04B 37/0083 CPC only CPC only
G04B 37/0091 CPC only CPC only
G04B 37/02 Evacuated cases; Cases filled with gas or liquids; Cases containing substances for absorbing or binding moisture or dust IPC+CPC Available in IPC and CPC
G04B 37/04 Mounting the clockwork in the case; Shock absorbing mountings +4 CPC IPC+CPC Available in IPC and CPC
G04B 37/06 Forming the passage for the winding stem through the case; Divided winding stems +3 CPC IPC+CPC Available in IPC and CPC
G04B 37/08 Hermetic sealing of openings, joints, passages or slits +4 CPC IPC+CPC Available in IPC and CPC
G04B 37/12 Cases for special purposes, e.g. watch combined with ring, watch combined with button (watch guards or protectors A45C11/10, A45C11/12; watches combined with cosmetic powder containers A45D33/30 ) +3 CPC IPC+CPC Available in IPC and CPC
G04B 37/14 Suspending devices, supports or stands for time-pieces insofar as they form part of the case +4 CPC IPC+CPC Available in IPC and CPC
G04B 37/18 for pocket or wrist watches (G04B37/02 - G04B37/16 take precedence) since 1980 IPC+CPC Available in IPC and CPC
G04B 37/22 Materials or processes of manufacturing pocket watch or wrist watch cases since 1980 +2 CPC IPC+CPC Available in IPC and CPC