Patent US2894150A successfully refreshed from Google Patents.
US2894150A
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US
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Transistor signal translating circuit
Assignee: Avco Manufacturing Corp
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Filing: 1953-10-07
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Granted: 1959-07-07
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Expires: 1973-10-07
Abstract
No abstract record available.
Inventors
- 👤 Calvin C Bopp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:28
CPC Classifications
H; H03; H03G; H03G11/00; H03G11/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733359A
Cited
GB414187A
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US2222688A
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US2434929A
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US2731571A
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US2652460A
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US2595208A
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US2644895A
Cited
US2655610A
Cited
US2655609A
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US2759052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-06 | 1963-01-05 | 1963-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-06 | 1967-01-05 | 1967-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-06 | 1971-01-05 | 1971-07-07 | $7700.00 | Window Closed / Lapsed |