US2860291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Junction type transistor structure
Assignee: Texas Instruments Inc
•
Filing: 1953-09-03
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Granted: 1958-11-11
•
Expires: 1973-09-03
Abstract
No abstract record available.
Inventors
- 👤 Esidoros C Karnavas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:56
CPC Classifications
H; H10; H10D; H10D62/00; H10D48/00; H10D48/30; H10D48/32; H10D48/34; H10D48/345; H10D62/01; H10D99/00; H10P; H10P95/00; H10W; H10W70/00; H10W70/60; H10W70/67; H10W70/69; H10W72/00; H10W76/00; H10W76/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2438893A
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US2623102A
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US2538593A
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US2664528A
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US2671156A
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US2657360A
Cited
US2705768A
Cited
US2748235A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |