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US3504243A
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US
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Low saturation voltage transistor with symmetrical structure
Assignee: Westinghouse Electric Corp
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Filing: 1969-07-07
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Granted: 1970-03-31
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Expires: 1989-07-07
Abstract
No abstract record available.
Inventors
- 👤 Thorndike C New
- 👤 Paul M Kisinko
- 👤 Frederick G Ernick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:29
CPC Classifications
H; H10; H10D; H10D99/00; H10D10/00; H10P; H10P10/00; H10P95/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2770761A
Cited
US2852677A
Cited
US2887423A
Cited
US3309241A
Cited
US3220896A
Cited
US3394037A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-30 | 1973-09-29 | 1974-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-30 | 1977-09-29 | 1978-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-30 | 1981-09-29 | 1982-03-31 | $7700.00 | Window Closed / Lapsed |