Patent US3237018A successfully refreshed from Google Patents.
US3237018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrated semiconductor switch
Assignee: Honeywell Inc
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Filing: 1962-07-09
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Granted: 1966-02-22
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Expires: 1982-07-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Alton Leger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:33
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/72; H03K17/725
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A SEMICONDUCTOR SWITCH COMPRISING A SEMICONDUCTOR BODY INCLUDING FIRST AND SECOND REGIONS OF OPPOSITE CONDUCTIVITY TYPE SEPARATED BY A P-N JUCTION, A FIRST OHMIC CONTACT ON SAID FIRST REGION, A SECOND OHMIC CONTACT ON SAID SECOND REGION, SAID FIRST AND SECOND CONTACTS ARE SEPARATED BY THE COMBINED THICKNESS OF SAID FIRST AND SECOND REGION AND SAID P-N JUNCTION AND ARE SUBSTANTIALLY COAXIAL, FIRST AND SECOND ZONES LOCATED IN SAID SECOND REGION AND EACH BEING OF OPPOSITE CONDUCTIVITY TYPE TO THAT OF SAID SECOND REGION, DISCRETE OHMIC CONTACTS ON SAID FIRST AND SECOND ZONES, RESPECTIVELY, FIRST BIASING MEANS CONNECTED
Claim 2
Dependent Claim
98 words
A SEMICONDUCTOR SWITCH COMPRISING A SEMICONDUCTOR BODY INCLUDING FIRST AND SECOND REGIONS OF OPPOSITE CONDUCTIVITY TYPE SEPARATED BY A P-N JUCTION, A FIRST OHMIC CONTACT ON SAID FIRST REGION, A SECOND OHMIC CONTACT ON SAID SECOND REGION, SAID FIRST AND SECOND CONTACTS ARE SEPARATED BY THE COMBINED THICKNESS OF SAID FIRST AND SECOND REGION AND SAID P-N JUNCTION AND ARE SUBSTANTIALLY COAXIAL, FIRST AND SECOND ZONES LOCATED IN SAID SECOND REGION AND EACH BEING OF OPPOSITE CONDUCTIVITY TYPE TO THAT OF SAID SECOND REGION, DISCRETE OHMIC CONTACTS ON SAID FIRST AND SECOND ZONES, RESPECTIVELY, FIRST BIASING MEANS CONNECTED
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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |