DE587330C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of tubes from tungsten
Assignee: Koninklijke Philips NV
•
Filing: 1930-01-04
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Granted: 1933-11-02
•
Expires: 1950-01-04
Abstract
No abstract record available.
Inventors
- 👤 Johannes Antonius Maria Liempt
- 👤 Wilhelmus Daniel Van Wijk
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-27 09:55
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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