Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
E21D 15/52

Extensible units located above or below standard props (for allowing step-by-step movement of cap E21D23/06; setting props or chocks E21D15/58)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Extensible units located above or below standard props

CPC: Extensible units located above or below standard props (for allowing step-by-step movement of cap E21D23/06; setting props or chocks E21D15/58)

Full Title

Full titles differ between systems:

IPC:

Props; Chocks > Component parts or details of props > Extensible units located above or below standard props

CPC:

Props (in the building art E04G25/00); Chocks > Component parts or details of props (E21D15/43, E21D15/58, E21D15/60 take precedence) > Extensible units located above or below standard props (for allowing step-by-step movement of cap E21D23/06; setting props or chocks E21D15/58)

Of 2 combined children, 0 exist in both systems.

2 codes are CPC-only extensions.

Child Classifications

Navigate with arrow keys, Enter to open