DIFF Subgroup
B31B 50/20 Cutting sheets or blanks
Introduced: January 2017
Full Title
Full titles differ between systems:
IPC:
Making rigid or semi-rigid containers, e.g. boxes or cartons > Cutting, e.g. perforating, punching, slitting or trimming > Cutting sheets or blanks
CPC:
Making rigid or semi-rigid containers, e.g. boxes or cartons > Cutting, e.g. perforating, punching, slitting or trimming (cutting window openings B31B50/83) > Cutting sheets or blanks
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 2017.
Child Classifications
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