US2498495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for producing rapid build-up of radio frequency oscillations
Assignee: General Electric Co
•
Filing: 1943-01-23
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Granted: 1950-02-21
•
Expires: 1963-01-23
Abstract
No abstract record available.
Inventors
- 👤 Richard C Jensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:55
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/01; G; G01; G01S; G01S7/00; G01S7/02; G01S7/28; G01S7/282; H03K17/00; H03K17/51; H03K17/54
Claims Analysis
Total Claims: 0
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US2392380A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-20 | 1953-08-22 | 1954-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-20 | 1957-08-22 | 1958-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-20 | 1961-08-22 | 1962-02-21 | $7700.00 | Window Closed / Lapsed |