USRE27305E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Field effect transistor driver using capacitor feedback
Assignee: —
•
Filing: 1970-05-25
•
Granted: 1972-03-14
•
Expires: 1990-05-25
Abstract
Abstract THIS INVENTION RELATES TO A DRIVER FOR MOST DEVICES COMPRISING A CAPACITOR, INCLUDING MEANS FOR CHARGING AND PREVENTING DISCHARGE OF THE CAPACITOR, CONNECTED BETWEEN THE GATE ELECTRODE OF THE OUTPUT TRANSISTOR AND THE OUTPUT FOR FEEDING BACK THE OUTPUT VOLTAGE TO THE GATE ELECTRODE, WHEREBY RELATIVELY HIGHER VOLTAGE AND CURRENT OUTPUT FROM THE DRIVER IS ACHIEVED WITHOUT INCREASING THE SUPPLY VOLTAGE.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:58
CPC Classifications
G; G11; G11C; G11C5/00; H; H03; H03K; H03K19/00; H03K19/01; H03K19/017; H03K19/01707; H03K19/01714; H03K3/00; H03K3/02; H03K3/353; H03K5/00; H03K5/01; H03K5/02; H03K5/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-03-14 | 1975-09-13 | 1976-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-14 | 1979-09-13 | 1980-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-14 | 1983-09-13 | 1984-03-14 | $7700.00 | Window Closed / Lapsed |