DIFF Subgroup
G04B 31/008 Jewel bearings (G04B31/04 takes precedence)
Introduced: January 1980
Title
Titles differ between systems:
IPC: Jewel bearings
CPC: Jewel bearings (G04B31/04 takes precedence)
Full Title
Full titles differ between systems:
IPC:
Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor > characterised by the material used > Jewel bearings
CPC:
Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor (bearings in general F16C ) > characterised by the material used > Jewel bearings (G04B31/04 takes precedence)
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
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