Patent US5877708A successfully refreshed from Google Patents.
US3003118A
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Synchronized regenerative amplifier
Assignee: Lockheed Martin Corp
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Filing: 1958-03-31
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Granted: 1961-10-03
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Expires: 1978-03-31
Abstract
No abstract record available.
Inventors
- 👤 Kline Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:38
CPC Classifications
H; H03; H03B; H03B9/00; H03B9/01; H03B9/10; H01; H01P; H01P1/00; H01P1/32; H01P1/38; H01P1/393
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2409913A
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US2523841A
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US2565112A
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US2730621A
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US2748352A
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US2759099A
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US2805337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-02 | 1965-04-03 | 1965-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-02 | 1969-04-03 | 1969-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-02 | 1973-04-03 | 1973-10-03 | $7700.00 | Window Closed / Lapsed |