Patent US2939083A successfully refreshed from Google Patents.
US2939083A
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US
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Double integration memory circuit responding to bi-polar pulse video input signal
Assignee: Individual
•
Filing: 1958-06-23
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Granted: 1960-05-31
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Expires: 1978-06-23
Abstract
No abstract record available.
Inventors
- 👤 John D Hague
- 👤 Robert L Haynes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:30
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2413913A
Cited
US2686877A
Cited
US2654003A
Cited
US2652489A
Cited
US2752511A
Cited
US2887578A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |