US3491307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential amplifier featuring pole splitting compensation and common mode feedback
Assignee: Motorola Solutions Inc
•
Filing: 1967-06-22
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Granted: 1970-01-20
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Expires: 1987-06-22
Abstract
No abstract record available.
Inventors
- 👤 James E Solomon
- 👤 Walter Richard Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:05
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/45; H03F3/45071; H03F3/45479; H03F3/45484; H03F3/45488; H03F3/45533; H03F3/45538; H03F1/00; H03F1/08; H03F1/083; H03F3/45076; H03F3/4508; H03F3/45085; H03F3/45493; H03F3/45502; H03F3/45547; H03F3/45551; H03F3/4556; H03F2203/00; H03F2203/45; H03F2203/45402; H03F2203/45406; H03F2203/45418; H03F2203/45612
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |