Patent US3447092A successfully refreshed from Google Patents.
US3447092A
Expired / Lapsed
US
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Transistor amplifying circuit having high input impedance and temperature-stabilized output potential
Assignee: Lanteris Space LLC
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Filing: 1966-11-09
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Granted: 1969-05-27
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Expires: 1986-11-09
Abstract
No abstract record available.
Inventors
- 👤 Leander H Hoke Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:29
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/181; H03F3/183; H03F3/187; H10; H10D; H10D84/00; H10D84/60; H10D84/611; H10D84/613; H10D84/615; H10D89/00; H10D89/10; H10D89/105; H10W; H10W20/00; H10W20/40
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) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |