Patent US2442571A successfully refreshed from Google Patents.
Patent FR840432A successfully refreshed from Google Patents.
FR840432A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Television equipment
Assignee: Jean Dupart
•
Filing: 1938-07-07
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Granted: 1939-04-25
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Expires: 1958-07-07
Abstract
No abstract record available.
Inventors
- 👤 Jean Dupart
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 14:21
CPC Classifications
H; H01; H01J; H01J29/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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