US2794076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor amplifiers
Assignee: General Electric Co
•
Filing: 1952-05-05
•
Granted: 1957-05-28
•
Expires: 1972-05-05
Abstract
No abstract record available.
Inventors
- 👤 Richard F Shea
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:34
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/30; H03F1/302; H03F3/00; H03F3/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2517960A
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US2585078A
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US2647957A
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US2531076A
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US2647958A
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US2666817A
Cited
US2680160A
Cited
US2730576A
Cited
US2693568A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-27 | 1960-11-26 | 1961-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-27 | 1964-11-26 | 1965-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-27 | 1968-11-26 | 1969-05-28 | $7700.00 | Window Closed / Lapsed |