IPC Subgroup
E01B 3/04 Means for preventing cleaving
Introduced: September 1968
Last revised: January 2006
Full Title
Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails > made from wood > Means for preventing cleaving
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
2 direct subcodes
Child Classifications
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