IPC Subgroup
B21F 45/26 of buttons
Introduced: September 1968
Last revised: January 2006
Full Title
Wire-working in the manufacture of other particular articles > of devices for fastening or securing purposes > of buttons
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- Subclass:
- WORKING OR PROCESSING OF METAL WIRE
1 direct subcode
Child Classifications
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- B21F 45/28 of "patent-fastener" or press-button type