US3084861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Logic circuitry
Assignee: AT&T Inc
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Filing: 1959-05-27
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Granted: 1963-04-09
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Expires: 1979-05-27
Abstract
No abstract record available.
Inventors
- 👤 Allen W Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:20
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/50; G06F7/501
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
IN COMBINATION IN A DIGITAL DATA PROCESSING SYSTEM, A PLURALITY OF GENERATING STAGES ARRANGED IN A LINEAR ARRAY, MEANS FOR COUPLING DIGITAL INFORMATION TO EACH OF SAID STAGES, MEANS INTERCONNECTING ADJACENT ONES OF SAID STAGES, EACH OF SAID STAGES EXCEPT THE FIRST AND LAST ONES INCLUDING A PLURALITY OF NOR LOGIC GATES FOR DEVELOPING SIGNALS WHICH REPRESENT THE COMPLEMENT OF A BOOLEAN SUBTERM OF THE GENERIC BORROW FUNCTION, AND MEANS FOR COUPLING THE SIGNALS DEVELOPED BY A GIVEN STAGE TO THE PORTION OF SAID INTERCONNECTING MEANS WHICH EXTENDS TO A NEXT FOLLOWING STAGE IN SAID ARRAY, THE FIRST ONE OF SAID STAGES INCLUDING A SECOND PLURALITY OF NOR LOGIC GATES FOR DEVELOPING SIGNALS WHICH REPRESENT THE COMPLEMENT OF THE GENERIC BORROW FUNCTION.
Claim 2
Dependent Claim
122 words
IN COMBINATION IN A DIGITAL DATA PROCESSING SYSTEM, A PLURALITY OF GENERATING STAGES ARRANGED IN A LINEAR ARRAY, MEANS FOR COUPLING DIGITAL INFORMATION TO EACH OF SAID STAGES, MEANS INTERCONNECTING ADJACENT ONES OF SAID STAGES, EACH OF SAID STAGES EXCEPT THE FIRST AND LAST ONES INCLUDING A PLURALITY OF NOR LOGIC GATES FOR DEVELOPING SIGNALS WHICH REPRESENT THE COMPLEMENT OF A BOOLEAN SUBTERM OF THE GENERIC BORROW FUNCTION, AND MEANS FOR COUPLING THE SIGNALS DEVELOPED BY A GIVEN STAGE TO THE PORTION OF SAID INTERCONNECTING MEANS WHICH EXTENDS TO A NEXT FOLLOWING STAGE IN SAID ARRAY, THE FIRST ONE OF SAID STAGES INCLUDING A SECOND PLURALITY OF NOR LOGIC GATES FOR DEVELOPING SIGNALS WHICH REPRESENT THE COMPLEMENT OF THE GENERIC BORROW FUNCTION.
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) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |