IPC Subgroup
B21F 3/04 externally on a mandrel or the like
Introduced: September 1968
Last revised: January 2006
Full Title
Coiling wire into particular forms > helically > externally on a mandrel or the like
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- Subclass:
- WORKING OR PROCESSING OF METAL WIRE