US3278735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carry restoring circuitry
Assignee: Westinghouse Electric Corp
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Filing: 1963-06-20
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Granted: 1966-10-11
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Expires: 1983-06-20
Abstract
No abstract record available.
Inventors
- 👤 Brastins Auseklis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:10
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/50; G06F7/501; G06F7/503; G06F2207/00; G06F2207/38; G06F2207/48; G06F2207/4802; G06F2207/4828
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
IN COMPUTER ADDER CIRCUITRY HAVING A SWITCH CONNECTED IN A CARRY PROPAGATION LINE, THE COMBINATION OF: A CARRY RESTORING CIRCUIT COMPRISING BISTABLE SWITCHING MEANS OPERATIVELY CONNECTED ACROSS THE CARRY PROPAGATION LINE, SAID BISTABLE SWITCHING MEANS BEING CAPABLE OF OPERATION IN TWO OPERATING STATES WITH ONE OF SAID STATES BEING INDICATIVE OF A CARRY SIGNAL AND BEING OPERATIVE TO CHANGE STATES IN RESPONSE TO CONTROL SIGNALS BEING APPLIED THERETO TO ESTABLISH THE CARRY PROPAGATION LINE AT A VOLTAGE LEVEL INDICATIVE OF A CARRY FOR PROPAGATION OF CARRY SIGNALS THROUGH SAID SWITCH, WHEN OPEN AND ALONG THE CARRY PROPAGATION LINE.
Claim 2
Dependent Claim
98 words
IN COMPUTER ADDER CIRCUITRY HAVING A SWITCH CONNECTED IN A CARRY PROPAGATION LINE, THE COMBINATION OF: A CARRY RESTORING CIRCUIT COMPRISING BISTABLE SWITCHING MEANS OPERATIVELY CONNECTED ACROSS THE CARRY PROPAGATION LINE, SAID BISTABLE SWITCHING MEANS BEING CAPABLE OF OPERATION IN TWO OPERATING STATES WITH ONE OF SAID STATES BEING INDICATIVE OF A CARRY SIGNAL AND BEING OPERATIVE TO CHANGE STATES IN RESPONSE TO CONTROL SIGNALS BEING APPLIED THERETO TO ESTABLISH THE CARRY PROPAGATION LINE AT A VOLTAGE LEVEL INDICATIVE OF A CARRY FOR PROPAGATION OF CARRY SIGNALS THROUGH SAID SWITCH, WHEN OPEN AND ALONG THE CARRY PROPAGATION LINE.
References Cited (Backward Citations)
US3053452A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |