E01B 31/24 Forming, treating, reconditioning, or cleaning holes in sleepers; Drilling-templates (E01B29/28, E01B31/26 take precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Forming, treating, reconditioning, or cleaning holes in sleepers; Drilling-templates
CPC: Forming, treating, reconditioning, or cleaning holes in sleepers; Drilling-templates (E01B29/28, E01B31/26 take precedence)
Full Title
Full titles differ between systems:
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 > Forming, treating, reconditioning, or cleaning holes in sleepers; Drilling-templates
Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor (characterised by features independent of use on assembled track B21, B23 - B25, B27) > Working or treating non-metal sleepers in or on the line, e.g. marking, creosoting (working metal sleepers E01B31/02) > Forming, treating, reconditioning, or cleaning holes in sleepers; Drilling-templates (E01B29/28, E01B31/26 take precedence)
No child classifications to compare. This is a leaf node in both IPC and CPC.