US2956204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultra-high frequency tubes
Assignee: Thales SA
•
Filing: 1956-04-11
•
Granted: 1960-10-11
•
Expires: 1976-04-11
Abstract
No abstract record available.
Inventors
- 👤 Dohler Oskar
- 👤 Nalot Jean Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:39
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/34; H01J25/42; H01J25/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2468243A
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US2633505A
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US2673306A
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US2760111A
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US2828443A
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US2880355A
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US2753481A
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US2808538A
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US2786959A
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US2863092A
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US2905859A
Cited
FR1100854A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |