DIFF Subgroup
F25D 23/06 Walls (F25D23/08 takes precedence; containers with thermal insulation B65D81/38)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Walls
CPC: Walls (F25D23/08 takes precedence; containers with thermal insulation B65D81/38)
Full Title
Full titles differ between systems:
IPC:
General constructional features > Walls
CPC:
General constructional features (F25D21/00 takes precedence) > Walls (F25D23/08 takes precedence; containers with thermal insulation B65D81/38)
Of 4 combined children, 0 exist in both systems.
4 codes are CPC-only extensions.
Child Classifications
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