Glass-cutting tools, e.g. scoring tools

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Severing cooled glass > Glass-cutting tools, e.g. scoring tools

CPC:

Severing cooled glass (severing glass fibres C03B37/16) > Glass-cutting tools, e.g. scoring tools

CPC subdivides this area 3x more granularly than IPC with 2 additional codes.

2 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1980.

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C03B 33/102 CPC only CPC only
C03B 33/105 +1 CPC CPC only CPC only
C03B 33/12 Hand tools (wheel design C03B33/107) since 1980 IPC+CPC Available in IPC and CPC

Class C03,2013–2023, worldwide · Source: EPO PATSTAT

Class C03,2013–2023, worldwide · Source: EPO PATSTAT