IPC Subgroup
B21F 45/2 of spring hooks; of spring safety hooks
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 spring hooks; of spring safety hooks
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- Subclass:
- WORKING OR PROCESSING OF METAL WIRE