DIFF Subgroup
G06G 3/02 for performing additions or subtractions, e.g. differential gearing
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Devices in which the computing operation is performed mechanically > for performing additions or subtractions, e.g. differential gearing
CPC:
Devices in which the computing operation is performed mechanically (G06G1/00 takes precedence) > for performing additions or subtractions, e.g. differential gearing
No child classifications to compare. This is a leaf node in both IPC and CPC.