Patent US2999984A successfully refreshed from Google Patents.
US2999984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Series-energized cascaded transistor amplifier
Assignee: Honeywell Inc
•
Filing: 1956-02-13
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Granted: 1961-09-12
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Expires: 1976-02-13
Abstract
No abstract record available.
Inventors
- 👤 Kenneth H Beck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:43
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2926307A
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US2835750A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |