US3462697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized amplifier having improved overload recovery
Assignee: Eaton Corp
•
Filing: 1965-07-09
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Granted: 1969-08-19
•
Expires: 1985-07-09
Abstract
No abstract record available.
Inventors
- 👤 Edward O Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:03
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/30; H03F1/303; H03F1/52; H03F3/00; H03F3/30; H03F3/3083; H03F3/3084; H03F3/45; H03F3/45071; H03F3/45076; H03F3/4508; H03F3/45085; H03F2203/00; H03F2203/45; H03F2203/45392; H03F2203/45498; H03F2203/45612; H03F2203/45701
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3147446A
Cited
US3070762A
Cited
US3161045A
Cited
US3237117A
Cited
US3286189A
Cited
US3222607A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |