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Patent US3054067A successfully refreshed from Google Patents.
US3054067A
Expired / Lapsed
US
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Transistor signal amplifier circuit
Assignee: RCA Corp
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Filing: 1954-09-10
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Granted: 1962-09-11
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Expires: 1974-09-10
Abstract
No abstract record available.
Inventors
- 👤 John B Merrill
- 👤 Macovski Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:09
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/30; H03F3/3081
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) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |