DIFF Subgroup
G04B 37/20 with hinged covers or backs
Introduced: January 1980
Full Title
Full titles differ between systems:
IPC:
Cases > for pocket or wrist watches > with hinged covers or backs
CPC:
Cases > for pocket or wrist watches (G04B37/02 - G04B37/16 take precedence) > with hinged covers or backs
No child classifications to compare. This is a leaf node in both IPC and CPC.