US3249764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Forward biased negative resistance semiconductor devices
Assignee: General Electric Co
•
Filing: 1963-05-31
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Granted: 1966-05-03
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Expires: 1983-05-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Nick Holonyak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:56
CPC Classifications
H; H10; H10F; H10F10/00; H10F10/10; H10D; H10D10/00; H10D99/00; H10F30/00; H10F30/20; H10F99/00; H10P; H10P95/00; Y; Y02; Y02E; Y02E10/00; Y02E10/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2669663A
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US2829422A
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US2833969A
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US2860218A
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US2940024A
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US2871377A
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US2860219A
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US2871330A
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US2878152A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |