US3335296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor devices capable of supporting large reverse voltages
Assignee: Westinghouse Electric Corp
•
Filing: 1965-11-10
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Granted: 1967-08-08
•
Expires: 1985-11-10
Abstract
No abstract record available.
Inventors
- 👤 Lee W Smart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:56
CPC Classifications
H; H10; H10D; H10D62/00; H10D62/10; H10D62/102; H10D62/103; H10D62/105; H10D62/106; H10D99/00; H10P; H10P95/00; H10W; H10W72/00; H10W72/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
IN COMBINATION: A SEMICONDUCTOR DEVICE COMPRISING FIRST AND SECOND REGIONS OF, RESPECTIVELY, FIRST AND SECOND TYPES OF SEMICONDUCTIVITY WITH A P-N JUCTION THEREBETWEEN; A PAIR OF ELECTRICAL CONTACTS ON SAID DEVICE CONNECTED IN A LOAD CIRCUIT INCLUDING A POTENTIAL SOURCE THAT PLACES A REVERSE BIAS ACROSS SAID P-N JUNCTION; AT LEAST ONE ADDITIONAL REGION OF SAID FIRST TYPE OF SEMICONDUCTIVITY POSITIONED ADJACENT SAID SECOND REGION WITH A P-N JUNC-
Claim 2
Dependent Claim
69 words
IN COMBINATION: A SEMICONDUCTOR DEVICE COMPRISING FIRST AND SECOND REGIONS OF, RESPECTIVELY, FIRST AND SECOND TYPES OF SEMICONDUCTIVITY WITH A P-N JUCTION THEREBETWEEN; A PAIR OF ELECTRICAL CONTACTS ON SAID DEVICE CONNECTED IN A LOAD CIRCUIT INCLUDING A POTENTIAL SOURCE THAT PLACES A REVERSE BIAS ACROSS SAID P-N JUNCTION; AT LEAST ONE ADDITIONAL REGION OF SAID FIRST TYPE OF SEMICONDUCTIVITY POSITIONED ADJACENT SAID SECOND REGION WITH A P-N JUNC-
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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) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |