E21C 35/00 Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
Introduced: September 1968
Title
Titles differ between systems:
IPC: Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups , or
CPC: Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
Full Title
Full titles differ between systems:
Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups , or
Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
Of 10 combined children, 8 exist in both systems.
2 codes are CPC-only extensions.
4 shared codes have differing titles between IPC and CPC.
Child Classifications
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- E21C 35/04 Safety devices (operating in the event of breakage of a haulage cable or chain E21C29/20) +2 CPC IPC+CPC Available in IPC and CPC
- E21C 35/06 Equipment for positioning the whole machine in relation to its sub-structure IPC+CPC Available in IPC and CPC
- E21C 35/18 Mining picks; Holders therefor (planing knives E21C27/44) +3 CPC IPC+CPC Available in IPC and CPC
- E21C 35/20 General features of equipment for removal of chippings, e.g. for loading on conveyor IPC+CPC Available in IPC and CPC
- E21C 35/22 Equipment for preventing the formation of, or for removal of, dust (picks with arrangement of fluid-spraying nozzles E21C35/187; ) +2 CPC IPC+CPC Available in IPC and CPC
- E21C 35/24 Remote control specially adapted for machines for slitting or completely freeing the mineral (control in general G05) IPC+CPC Available in IPC and CPC