After-treatment of workpieces or articles

Introduced: September 1968

Full Title

Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor > After-treatment of workpieces or articles

CPC subdivides this area 5x more granularly than IPC with 4 additional codes.

4 codes are CPC-only extensions.

Note: 4 CPC extensions are marked as secondary classification only.

Child Classifications

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B22F 2003/241 2nd only +2 CPC CPC only CPC only
B22F 2003/245 2nd only CPC only CPC only
B22F 2003/247 2nd only CPC only CPC only
B22F 2003/248 2nd only CPC only CPC only
B22F 3/26 Impregnating IPC+CPC Available in IPC and CPC