by press-bending between shaping moulds

Introduced: January 1980

Full Title

Full titles differ between systems:

IPC:

Re-forming shaped glass > Re-forming glass sheets > by bending > by press-bending between shaping moulds

CPC:

Re-forming shaped glass (re-forming fibres or filaments C03B37/14) > Re-forming glass sheets > by bending > by press-bending between shaping moulds

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

3 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 23/0302 CPC only CPC only
C03B 23/0305 CPC only CPC only
C03B 23/0307 CPC only CPC only
C03B 23/031 the glass sheets being in a vertical position (C03B23/033 takes precedence) since 1990 +1 CPC IPC+CPC Available in IPC and CPC
C03B 23/033 in a continuous way, e.g. roll forming 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