Sausage casings

Introduced: September 1968

CPC subdivides this area 25x more granularly than IPC with 24 additional codes.

24 codes are CPC-only extensions.

Note: 20 CPC extensions are marked as secondary classification only.

IPC defines codes here since 1974.

Child Classifications

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A22C 13/0003 +1 CPC CPC only CPC only
A22C 13/0009 CPC only CPC only
A22C 13/0013 +1 CPC CPC only CPC only
A22C 13/0026 CPC only CPC only
A22C 13/02 Shirring of sausage casings since 1974 +5 CPC IPC+CPC Available in IPC and CPC
A22C 2013/002 2nd only +1 CPC CPC only CPC only
A22C 2013/003 2nd only CPC only CPC only
A22C 2013/0033 2nd only CPC only CPC only
A22C 2013/0036 2nd only CPC only CPC only
A22C 2013/004 2nd only CPC only CPC only
A22C 2013/0043 2nd only CPC only CPC only
A22C 2013/0046 2nd only CPC only CPC only
A22C 2013/005 2nd only CPC only CPC only
A22C 2013/0053 2nd only CPC only CPC only
A22C 2013/0056 2nd only CPC only CPC only
A22C 2013/0059 2nd only CPC only CPC only
A22C 2013/0063 2nd only CPC only CPC only
A22C 2013/0066 2nd only +2 CPC CPC only CPC only
A22C 2013/0076 2nd only CPC only CPC only
A22C 2013/0079 2nd only CPC only CPC only

Class A22,2013–2023, worldwide · Source: EPO PATSTAT

Class A22,2013–2023, worldwide · Source: EPO PATSTAT