IPC Main Group
B21L 13/00 Making terminal or intermediate chain links of special shape; Making couplings for chains, e.g. swivels, shackles
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- Subclass:
- MAKING METAL CHAINS
Related Keywords
making COUPLING(S) for chainsmaking SHACKLES for chainsmaking SWIVELS