Patent US3039009A successfully refreshed from Google Patents.
US3039009A
Expired / Lapsed
US
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Transistor amplifiers for pulse signals
Assignee: Unisys Corp
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Filing: 1958-01-27
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Granted: 1962-06-12
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Expires: 1978-01-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry J Gray
- 👤 John G Nordahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:28
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/01; H03K5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2594336A
Cited
US2856528A
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US2843761A
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US2897378A
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US2915649A
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US2949543A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |