Patent US3370245A successfully refreshed from Google Patents.
US3370245A
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US
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Differential amplifier with common mode rejection
Assignee: Honeywell Inc
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Filing: 1964-09-22
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Granted: 1968-02-20
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Expires: 1984-09-22
Abstract
No abstract record available.
Inventors
- 👤 William G Royce
- 👤 David N Petersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:11
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/45; H03F3/45071; H03F3/45076; H03F3/4508; H03F3/45098; H03F3/45479; H03F3/45484; H03F3/45488; H03F3/45493; H03F3/45502; H03F2203/00; H03F2203/45; H03F2203/45406; H03F2203/45498; H03F2203/45702
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) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |