CH210912A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Electric discharge tube for the optical display of voltages.
Assignee: Philips Nv
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Filing: 1939-06-24
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Granted: —
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Expires: 1959-06-24
Abstract
No abstract record available.
Inventors
- 👤 Gloeilampenfabrieken N Philips
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-02 11:37
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/86; H01J29/861; H01J31/00; H01J31/08; H01J31/10; H01J31/12; H01J31/14
Claims Analysis
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References Cited (Backward Citations)
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