Patent US3219845A successfully refreshed from Google Patents.
US3219845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bistable electrical circuit utilizing nor circuits without a.c. coupling
Assignee: RCA Corp
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Filing: 1964-12-07
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Granted: 1965-11-23
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Expires: 1984-12-07
Abstract
No abstract record available.
Inventors
- 👤 Nicholas Y Nieh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:21
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/027; H03K3/037
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
AN ELECTRICAL CIRCUIT COMPRISING FOUR LOGICAL ELEMENTS EACH INCLUDING AN INPUT MEANS, A NOR OUTPUT MEANS AND AN OR OUTPUT MEANS, FIRST MEANS FOR COUPLING THE NOR OUTPUT MEANS OF A THIRD ONE OF SAID LOGICAL ELEMENTS TO THE INPUT MEANS OF A FOURTH ONE OF SAID LOGICAL ELEMENTS AND FOR COUPLING THE NOR OUTPUT MEANS OF THE FOURTH LOGICAL ELEMENT TO THE INPUT MEANS OF THE THIRD LOGICAL ELEMENT, SECOND MEANS FOR COUPLING THE NOR OUTPUT MEANS FOR THE FIRST LOGICAL ELEMENT TO THE INPUT MEANS OF THE THIRD LOGICAL ELEMENT AND FOR COUPLING THE NOR OUTPUT MEANS OF THE SECOND LOGICAL ELEMENT TO THE INPUT MEANS OF THE FOURTH LOGICAL ELEMENT, AND THIRD MEANS FOR COUPLING THE OR OUTPUT MEANS OF THE THIRD LOGICAL ELEMENT TO THE INPUT MEANS OF THE FIRST LOGICAL ELEMENT AND FOR COUPLING THE OR OUTPUT MEANS OF THE FOURTH LOGICAL ELEMENT TO THE INPUT MEANS OF THE SECOND LOGICAL ELEMENT.
Claim 2
Dependent Claim
157 words
AN ELECTRICAL CIRCUIT COMPRISING FOUR LOGICAL ELEMENTS EACH INCLUDING AN INPUT MEANS, A NOR OUTPUT MEANS AND AN OR OUTPUT MEANS, FIRST MEANS FOR COUPLING THE NOR OUTPUT MEANS OF A THIRD ONE OF SAID LOGICAL ELEMENTS TO THE INPUT MEANS OF A FOURTH ONE OF SAID LOGICAL ELEMENTS AND FOR COUPLING THE NOR OUTPUT MEANS OF THE FOURTH LOGICAL ELEMENT TO THE INPUT MEANS OF THE THIRD LOGICAL ELEMENT, SECOND MEANS FOR COUPLING THE NOR OUTPUT MEANS FOR THE FIRST LOGICAL ELEMENT TO THE INPUT MEANS OF THE THIRD LOGICAL ELEMENT AND FOR COUPLING THE NOR OUTPUT MEANS OF THE SECOND LOGICAL ELEMENT TO THE INPUT MEANS OF THE FOURTH LOGICAL ELEMENT, AND THIRD MEANS FOR COUPLING THE OR OUTPUT MEANS OF THE THIRD LOGICAL ELEMENT TO THE INPUT MEANS OF THE FIRST LOGICAL ELEMENT AND FOR COUPLING THE OR OUTPUT MEANS OF THE FOURTH LOGICAL ELEMENT TO THE INPUT MEANS OF THE SECOND LOGICAL ELEMENT.
References Cited (Backward Citations)
US3110821A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |