US2941070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constantly forward biased non-linear element across detector input for controlling gain automatically
Assignee: Hazeltine Research Inc
•
Filing: 1955-05-31
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Granted: 1960-06-14
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Expires: 1975-05-31
Abstract
No abstract record available.
Inventors
- 👤 Barry John Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:35
CPC Classifications
H; H03; H03G; H03G3/00; H03G3/20; H03G3/30; H03G3/3005; H03G3/301; H03G3/3015
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1737992A
Cited
GB413383A
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US2548913A
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US2662976A
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US2595208A
Cited
US2703825A
Cited
US2629834A
Cited
US2793303A
Cited
US2655610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |