with seat, or seat and back-rest unit elastically mounted in a rigid frame

Introduced: September 1968

Title

Titles differ between systems:

IPC: with seat, or seat and back-rest unit, elastically mounted in a rigid frame

CPC: with seat, or seat and back-rest unit elastically mounted in a rigid frame

Full Title

Full titles differ between systems:

IPC:

Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats > Rocking chairs > with seat, or seat and back-rest unit, elastically mounted in a rigid frame

CPC:

Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats (A47C1/00, A47C4/00 take precedence) > Rocking chairs > with seat, or seat and back-rest unit elastically mounted in a rigid frame

CPC subdivides this area 3x more granularly than IPC with 4 additional codes.

4 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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A47C 3/0251 CPC only CPC only
A47C 3/0252 CPC only CPC only
A47C 3/0255 CPC only CPC only
A47C 3/0257 CPC only CPC only
A47C 3/026 with central column, e.g. rocking office chairs; Tilting chairs IPC+CPC Available in IPC and CPC
A47C 3/027 with curved rocking members between seat and frame IPC+CPC Available in IPC and CPC