IPC Subgroup
E01B 31/22 Cutting or grinding wooden sleepers, e.g. for forming rail seats
Introduced: September 1968
Last revised: January 2006
Full Title
Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor > Working or treating non-metal sleepers in or on the line, e.g. marking, creosoting > Cutting or grinding wooden sleepers, e.g. for forming rail seats
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
1 direct subcode
Child Classifications
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- E01B 31/23 Sectioning