US3209163A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor logic circuit
Assignee: Westinghouse Electric Corp
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Filing: 1961-07-07
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Granted: 1965-09-28
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Expires: 1981-07-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard E Wendt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:25
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/08; H03K19/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
127 words
IN A LOGIC CIRCUIT OPERATIVE WITH A CLOCK PULSE SOURCE HAVING A FIRST SUPPLY AND A SECOND SUPPLY; FIRST, SECOND AND THIRD CONDITION RESPONSIVE SEMICONDUCTOR MEANS EACHD HAVING A CHARACTERISTIC OPERATING CURVE OF A FIRST AND SECOND POSITIVE RESISTANCE REGIONS SEPARATED BY A NEGATIVE RESISTANCE REGIONN AND EACH HAVING A RESPECTIVE THRESHOLD VALUE; EACH SEMICONDUCTOR MEANS PROVIDING A FIRST OUTPUT WHEN THE CONDITION IS INSUFFICIENT TO EXCEED ITS RESPECTIVE THRESHOLD VALUE AND PROVIDING A SECOND OUTPUT WHEN THE CONDITION EXCEEDS ITS RESPECTIVE THRESHOLD VALUE; A PLURALITY OF INPUT MEANS EACH RESPONSIVE TO AN INPUT SIGNAL AND CONNECTED TO SAID FIRST SEMICONDUCTOR MEANS FOR INDIVIDUALLY COMBINING WITH SAID FIRST SUPPLY FOR PROVIDING A CONDITION TO SAID FIRST SEMICONDUCTOR MEANS EXCEEDING ITS THRESHOLD VALUE; SAID THIRD SEMICONDUCTOR MEANS INTER-
References Cited (Backward Citations)
US3054002A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |