IPC Subgroup
C03B 23/207 Uniting glass rods, glass tubes, or hollow glassware
Introduced: January 1980
Last revised: January 2006
Full Title
Re-forming shaped glass > Uniting glass pieces by fusing without substantial reshaping > Uniting glass rods, glass tubes, or hollow glassware
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- GLASS; MINERAL OR SLAG WOOL
- Subclass:
- MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL; SUPPLEMENTARY PROCESSES IN THE MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL
2 direct subcodes
Child Classifications
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- C03B 23/213 Joining projections or feet
- C03B 23/217 for the production of cathode ray tubes or similarly shaped tubes