DIFF Subgroup
E04H 17/20 Posts therefor
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Fencing, e.g. fences, enclosures, corrals > Fences constructed of rigid elements, e.g. with additional wire fillings or with posts > Posts therefor
CPC:
Fencing, e.g. fences, enclosures, corrals (features peculiar to electrified fences A01K3/00, H05C; means for allowing passage through fences, barriers, or the like E06B11/00) > Fences constructed of rigid elements, e.g. with additional wire fillings or with posts > Posts therefor
CPC subdivides this area 3x more granularly than IPC with 2 additional codes.
2 codes are CPC-only extensions.
Child Classifications
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- E04H 17/22 Anchoring means therefor, e.g. specially-shaped parts entering the ground; Struts or the like IPC+CPC Available in IPC and CPC