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PCE
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DIFF Subgroup
C03B 23/20

Uniting glass pieces by fusing without substantial reshaping

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Re-forming shaped glass > Uniting glass pieces by fusing without substantial reshaping

CPC:

Re-forming shaped glass (re-forming fibres or filaments C03B37/14) > Uniting glass pieces by fusing without substantial reshaping

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • C03B 23/203 Uniting glass sheets (C03B23/24 takes precedence) since 1980 IPC+CPC Available in IPC and CPC
  • C03B 23/22 Uniting glass lenses, e.g. forming bifocal lenses IPC+CPC Available in IPC and CPC