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PCE
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DIFF Subgroup
E04G 25/04

telescopic

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Shores or struts; Chocks > telescopic

CPC:

Shores or struts (specially designed for use in mines E21D15/00 ); Chocks > telescopic

CPC subdivides this area 3x more granularly than IPC with 3 additional codes.

3 codes are CPC-only extensions.

Note: 3 CPC extensions are marked as secondary classification only.

Child Classifications

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  • E04G 2025/042 2nd only CPC only CPC only
  • E04G 2025/045 2nd only CPC only CPC only
  • E04G 2025/047 2nd only CPC only CPC only
  • E04G 25/08 with parts held relatively to each other by friction or gripping IPC+CPC Available in IPC and CPC