FR802715A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to cathode ray tubes
Assignee: EMI Ltd
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Filing: 1936-02-13
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Granted: 1936-09-14
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Expires: 1956-02-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 14:23
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/58; H01J29/62; H01J29/622; H01J29/624
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