DIFF Subgroup
C03B 23/207 Uniting glass rods, glass tubes, or hollow glassware (C03B23/24 takes precedence)
Introduced: January 1980
Title
Titles differ between systems:
IPC: Uniting glass rods, glass tubes, or hollow glassware
CPC: Uniting glass rods, glass tubes, or hollow glassware (C03B23/24 takes precedence)
Full Title
Full titles differ between systems:
IPC:
Re-forming shaped glass > Uniting glass pieces by fusing without substantial reshaping > Uniting glass rods, glass tubes, or hollow glassware
CPC:
Re-forming shaped glass (re-forming fibres or filaments C03B37/14) > Uniting glass pieces by fusing without substantial reshaping > Uniting glass rods, glass tubes, or hollow glassware (C03B23/24 takes precedence)
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 1980.
Child Classifications
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- C03B 23/217 for the production of cathode ray tubes or similarly shaped tubes since 1980 IPC+CPC Available in IPC and CPC