US3065428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for reducing effects of grid current in stabilized amplifiers
Assignee: Reeves Instrument Corp
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Filing: 1955-11-25
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Granted: 1962-11-20
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Expires: 1975-11-25
Abstract
No abstract record available.
Inventors
- 👤 Peter L Richman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:34
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/38; H03F3/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1961937A
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US1975371A
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AU2316235A
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US2429419A
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US2730573A
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US2613344A
Cited
US2684999A
Cited
US2752432A
Cited
US2749441A
Cited
US2845490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |