DIFF Subgroup
G04B 37/04 Mounting the clockwork in the case; Shock absorbing mountings
Introduced: September 1968
Title
Titles differ between systems:
IPC: Mounting the clockwork in the case; Shock-absorbing mountings
CPC: Mounting the clockwork in the case; Shock absorbing mountings
Full Title
Full titles differ between systems:
IPC:
Cases > Mounting the clockwork in the case; Shock-absorbing mountings
CPC:
Cases > Mounting the clockwork in the case; Shock absorbing mountings
CPC subdivides this area 5x more granularly than IPC with 4 additional codes.
4 codes are CPC-only extensions.
IPC defines codes here since 1980.
Child Classifications
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- G04B 37/05 Fixed mountings for pocket or wrist watches since 1980 +3 CPC IPC+CPC Available in IPC and CPC