Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
E01B 3/02

made from wood (drying or impregnating B27K)

Full Title

Transverse or longitudinal sleepers (for switches or crossings E01B7/22); Other means resting directly on the ballastway for supporting rails > made from wood (drying or impregnating B27K)

4 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • E01B 3/10 Composite sleepers
  • E01B 3/12 Longitudinal sleepers; Longitudinal sleepers integral or combined with tie-rods; Combined longitudinal and transverse sleepers
  • E01B 3/14 Slabs; Blocks; Fastening tie-rods to them