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US2916637A
Expired / Lapsed
US
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Multivibrator circuits with improved power-frequency capacity
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1955-08-09
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Granted: 1959-12-08
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Expires: 1975-08-09
Abstract
No abstract record available.
Inventors
- 👤 Cravens L Wanlass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:10
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/01; H03K3/012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2545924A
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US2681996A
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US2622212A
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US2673936A
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US2655609A
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US2820155A
Cited
US2840728A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |