DIFF Subgroup
B29C 44/34 Auxiliary operations
Introduced: January 1995
Title
Titles differ between systems:
IPC: Component parts, details or accessories; Auxiliary operations
CPC: Auxiliary operations
Full Title
Full titles differ between systems:
IPC:
Shaping by internal pressure generated in the material, e.g. swelling or foaming > Component parts, details or accessories; Auxiliary operations
CPC:
Shaping by internal pressure generated in the material, e.g. swelling or foaming > Auxiliary operations
CPC subdivides this area 4x more granularly than IPC with 12 additional codes.
12 codes are CPC-only extensions.
IPC defines codes here since 1995.
Child Classifications
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- B29C 44/56 After-treatment of articles, e.g. for altering the shape since 1995 +5 CPC IPC+CPC Available in IPC and CPC