US3293420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Computer with compatible multiplication and division
Assignee: International Business Machines Corp
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Filing: 1964-07-22
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Granted: 1966-12-20
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Expires: 1984-07-22
Abstract
No abstract record available.
Inventors
- 👤 Stanley H Pitkowsky
- 👤 James H Shelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:57
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/52; G06F7/523; G06F7/533; G06F7/5334; G06F7/5336; G06F7/5338; A; A63; A63H; A63H33/00; A63H33/008; G06F7/535; G06F2207/00; G06F2207/535; G06F2207/5352
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
236 words
IN A COMPUTER: AN ADDER HAVING A PLURALITY OF STAGES CORRESPONDING TO THE ORDERS OF A MULTI-DIGIT NUMBER; A FIRST REGISTER HAVING A PLURALITY OF STAGES FOR STORING SIGNALS REPRESENTATIVE OF A FIRST MULTI-DIGIT NUMBER; FIRST COUPLING MEANS CONNECTING SAID FIRST REGISTER TO SAID ADDER FOR SELECTIVELY GENERATING AND TRANSFERRING IN PARALLEL TO SAID ADDER, SIGNALS REPRESENTING SAID FIRST NUMBER, EITHER TO CORRESPONDING STAGES OF SAID ADDER OR TO HIGHER ORDER STAGES OF SAID ADDER SHIFTED BY A FIRST PREDETERMINED NUMBER OF STAGES; A SECOND REGISTER HAVING A PLURALITY OF STAGES FOR STORING SIGNALS REPRESENTATIVE OF A SECOND MULTI-DIGIT NUMBER; SECOND COUPLING MEANS CONNECTING SAID SECOND REGISTER TO SAID ADDER FOR SELECTIVELY GENERATING AND TRANSFERRING IN PARALLEL TO SAID ADDER, SIGNALS REPRESENTING SAID SECOND NUMBER, EITHER TO CORRESPONDING STAGES OF SAID ADDER OR TO HIGHER ORDER STAGES OF SAID ADDER SHIFTED BY A SECOND PREDETERMINED NUMBER OF STAGES; MINED NUMBER OF STAGES; THIRD COUPLING MEANS CONNECTING THE OUTPUT OF SAID ADDER TO SAID FIRST AND SECOND REGISTERS FOR SELECTIVELY GENERATING AND TRANSFERRING IN PARALLEL TO SAID REGISTERS, SIGNALS REPRESENTING THE OUTPUT OF SAID ADDER, EITHER TO CORRESPONDING STAGES OF SAID FIRST OR REGISTERS OR TO HIGHER OR LOWER STAGES OF SAID FIRST OR SECOND REGISTERS SHIFTED BY A THIRD PREDETERMINED NUMBER OF STAGES; AND CONTROL MEANS, INCLUDING MEANS COUPLED TO SAID FIRST, SECOND AND THIRD COUPLING MEANS, OPERATIVE TO ENERGIZE SELECTED COMBINATIONS OF SAID COUPLING MEANS.
Claim 2
Dependent Claim
236 words
IN A COMPUTER: AN ADDER HAVING A PLURALITY OF STAGES CORRESPONDING TO THE ORDERS OF A MULTI-DIGIT NUMBER; A FIRST REGISTER HAVING A PLURALITY OF STAGES FOR STORING SIGNALS REPRESENTATIVE OF A FIRST MULTI-DIGIT NUMBER; FIRST COUPLING MEANS CONNECTING SAID FIRST REGISTER TO SAID ADDER FOR SELECTIVELY GENERATING AND TRANSFERRING IN PARALLEL TO SAID ADDER, SIGNALS REPRESENTING SAID FIRST NUMBER, EITHER TO CORRESPONDING STAGES OF SAID ADDER OR TO HIGHER ORDER STAGES OF SAID ADDER SHIFTED BY A FIRST PREDETERMINED NUMBER OF STAGES; A SECOND REGISTER HAVING A PLURALITY OF STAGES FOR STORING SIGNALS REPRESENTATIVE OF A SECOND MULTI-DIGIT NUMBER; SECOND COUPLING MEANS CONNECTING SAID SECOND REGISTER TO SAID ADDER FOR SELECTIVELY GENERATING AND TRANSFERRING IN PARALLEL TO SAID ADDER, SIGNALS REPRESENTING SAID SECOND NUMBER, EITHER TO CORRESPONDING STAGES OF SAID ADDER OR TO HIGHER ORDER STAGES OF SAID ADDER SHIFTED BY A SECOND PREDETERMINED NUMBER OF STAGES; MINED NUMBER OF STAGES; THIRD COUPLING MEANS CONNECTING THE OUTPUT OF SAID ADDER TO SAID FIRST AND SECOND REGISTERS FOR SELECTIVELY GENERATING AND TRANSFERRING IN PARALLEL TO SAID REGISTERS, SIGNALS REPRESENTING THE OUTPUT OF SAID ADDER, EITHER TO CORRESPONDING STAGES OF SAID FIRST OR REGISTERS OR TO HIGHER OR LOWER STAGES OF SAID FIRST OR SECOND REGISTERS SHIFTED BY A THIRD PREDETERMINED NUMBER OF STAGES; AND CONTROL MEANS, INCLUDING MEANS COUPLED TO SAID FIRST, SECOND AND THIRD COUPLING MEANS, OPERATIVE TO ENERGIZE SELECTED COMBINATIONS OF SAID COUPLING MEANS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |