US2984752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unipolar transistors
Assignee: RCA Corp
•
Filing: 1953-08-13
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Granted: 1961-05-16
•
Expires: 1973-08-13
Abstract
No abstract record available.
Inventors
- 👤 Lawrence J Giacoletto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:30
CPC Classifications
H; H10; H10D; H10D10/00; G; G01; G01R; G01R31/00; G01R31/26; H10D30/00; H10D30/80; H10D99/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2569347A
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US2623102A
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US2600500A
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US2655607A
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US2666814A
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US2648805A
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US2586080A
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US2654059A
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US2744970A
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US2756285A
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US2655625A
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US2754431A
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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) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |