US2793256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic amplifiers
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1952-03-31
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Granted: 1957-05-21
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Expires: 1972-03-31
Abstract
No abstract record available.
Inventors
- 👤 Taieb Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:00
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/24; H03F; H03F1/00; H03F1/34; H03F1/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-20 | 1960-11-19 | 1961-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-20 | 1964-11-19 | 1965-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-20 | 1968-11-19 | 1969-05-21 | $7700.00 | Window Closed / Lapsed |