US3383610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High gain operational amplifier having constant frequency response characteristics
Assignee: Electronic Associates Inc
•
Filing: 1964-09-16
•
Granted: 1968-05-14
•
Expires: 1984-09-16
Abstract
No abstract record available.
Inventors
- 👤 Kedson Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:29
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/08; H03F1/083; H03F1/56; H03F3/00; H03F3/30; H03F3/3083; H03F3/3084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3133278A
Cited
US3204192A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |