Patent DE339503C successfully refreshed from Google Patents.
DE339503C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of glass tubes with a precisely prescribed internal shape
Assignee: CARL HARDEBECK DR ING
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Filing: 1919-08-09
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Granted: 1921-07-26
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Expires: 1939-08-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-24 12:13
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/04; C03B23/049; C03B23/0496
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Total Claims: 0
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References Cited (Backward Citations)
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