IPC Main Group
B21F 3/00 Coiling wire into particular forms
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- Subclass:
- WORKING OR PROCESSING OF METAL WIRE
Related Keywords
making HELICES by coiling wire
4 direct subcodes
Child Classifications
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