US3028507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor bistable multivibrator with back-biased diode cross-coupling
Assignee: Individual
•
Filing: 1957-08-23
•
Granted: 1962-04-03
•
Expires: 1977-08-23
Abstract
No abstract record available.
Inventors
- 👤 Jacob M Sacks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:33
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/01; H03K3/012; H03K3/011; H03L; H03L1/00; H03L1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2778978A
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US2802067A
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US2880330A
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US2787712A
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US2737587A
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US2820155A
Cited
US2916637A
Cited
US2965768A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |