DIFF Subgroup
A47C 31/02 Upholstery attaching means
Introduced: September 1968
Full Title
Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets > Upholstery attaching means
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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- A47C 31/04 Clamps for attaching flat elastic strips or flat meandering springs to frames IPC+CPC Available in IPC and CPC