DIFF Subgroup
B23F 23/12 Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines > Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth
CPC:
Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines (accessories or equipment not restricted to gear-cutting machines B23Q) > Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth
Of 5 combined children, 0 exist in both systems.
5 codes are CPC-only extensions.
Child Classifications
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