US3008055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bistable circuits having unidirectional feedback means
Assignee: Unisys Corp
•
Filing: 1955-03-29
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Granted: 1961-11-07
•
Expires: 1975-03-29
Abstract
No abstract record available.
Inventors
- 👤 Robert L Crosby
- 👤 Gregory J Prom
- 👤 James R Kelsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:34
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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US2673936A
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US2706811A
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US2884544A
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US2869000A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |