Patent US3435360A successfully refreshed from Google Patents.
US3435360A
Expired / Lapsed
US
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Zero output impedance amplifier
Assignee: TDK Micronas GmbH
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Filing: 1966-04-05
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Granted: 1969-03-25
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Expires: 1986-04-05
Abstract
No abstract record available.
Inventors
- 👤 James C Carroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:30
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/34; H03F1/347; H03G; H03G3/00; H03G3/005; H03G3/20; H03G3/30; H03G3/3036
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2886659A
Cited
GB840666A
Cited
US3113268A
Cited
FR1336511A
Cited
US3188574A
Cited
US3328716A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |