US3360696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Five-layer symmetrical semiconductor switch
Assignee: RCA Corp
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Filing: 1965-05-14
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Granted: 1967-12-26
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Expires: 1985-05-14
Abstract
No abstract record available.
Inventors
- 👤 John M S Neilson
- 👤 Timothy J Desmond
- 👤 Weisberg Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:38
CPC Classifications
H; H10; H10D; H10D18/00; H10D18/80; H10W; H10W72/00; H10W72/50; H10W72/531; H10W72/536; H10W72/5363
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A BIDIRECTIONAL THYRISTOR COMPRISING A SEMICONDUCTIVE BODY WITH TWO OPPOSING MAJOR FACES AND AN EDGE SUBSTANTIALLY PERPENDICULAR TO SAID FACES, SAID BODY HAVING FIVE SUCCESSIVE REGIONS OF ALTERNATELY DIFFERENT CONDUCTIVITY TYPES FOUR P-N JUNCTIONS BETWEEN SAID FIVE REGIONS, AND ONLY THREE ELECTRODES, CHARACTERIZED IN THAT ONLY TWO OF SAID JUNCTIONS INTERCEPT SAID EDGE OF SAID BODY.
Claim 2
Dependent Claim
56 words
A BIDIRECTIONAL THYRISTOR COMPRISING A SEMICONDUCTIVE BODY WITH TWO OPPOSING MAJOR FACES AND AN EDGE SUBSTANTIALLY PERPENDICULAR TO SAID FACES, SAID BODY HAVING FIVE SUCCESSIVE REGIONS OF ALTERNATELY DIFFERENT CONDUCTIVITY TYPES FOUR P-N JUNCTIONS BETWEEN SAID FIVE REGIONS, AND ONLY THREE ELECTRODES, CHARACTERIZED IN THAT ONLY TWO OF SAID JUNCTIONS INTERCEPT SAID EDGE OF SAID BODY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |