IPC Subgroup
E01B 5/18 Guard rails; Connecting, fastening or adjusting means therefor
Introduced: September 1968
Last revised: January 2006
Full Title
Rails; Guard rails; Distance-keeping means for them > Guard rails; Connecting, fastening or adjusting means therefor
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- Subclass:
- PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS