FR809086A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to luminescent tubes, and other vacuum or rare gas tubes
Assignee: Vital Olivier Gassmann
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Filing: 1935-11-15
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Granted: 1937-02-23
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Expires: 1955-11-15
Abstract
No abstract record available.
Inventors
- 👤 Vital Olivier Gassmann
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 21:04
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/02; H01J61/56
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