US2984826A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical gating circuit
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1958-10-20
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Granted: 1961-05-16
•
Expires: 1978-10-20
Abstract
No abstract record available.
Inventors
- 👤 Robert C Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:23
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K17/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2535303A
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US2651718A
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US2576026A
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US2611025A
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US2752530A
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US2657318A
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US2854655A
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US2802954A
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US2892184A
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US2877451A
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US2840726A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |