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PCE
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DIFF Subgroup
C03B 23/217

for the production of cathode ray tubes or similarly shaped tubes

Introduced: January 1980

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 > for the production of cathode ray tubes or similarly shaped tubes

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) > for the production of cathode ray tubes or similarly shaped tubes

No child classifications to compare. This is a leaf node in both IPC and CPC.