US3249747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carry assimilating system
Assignee: North American Aviation Corp
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Filing: 1963-06-14
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Granted: 1966-05-03
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Expires: 1983-06-14
Abstract
No abstract record available.
Inventors
- 👤 Robert K Booher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:27
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/50; G06F7/505; G06F7/509; G06F7/5095
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
IN A SYSTEM FOR ADDING BINARY NUMBERS AND SEPARATELY STORING THE CARRIES, THE COMBINATION COMPRISING FIRST AND SECOND REGISTERS, FIRST MEANS FOR STORING IN SAID FIRST REGISTER THE EXCLUSIVE-OR OF CORRESPONDING ORDERS OF TWO BINARY NUMBERS BEING ADDED AND SIMULTANEOUSLY STORING IN SAID SECOND REGISTER THE LOGICAL-AND OF SAID CORRESPONDING ORDERS, SECOND MEANS FOR SHIFTING SAID LOGICAL-AND STORED IN SAID SECOND REGISTER ONE PLACE IN THE DIRECTION OF HIGHER ORDER POSITIONS OF SAID FIRST AND SECOND REGISTERS, THIRD MEANS FOR INSERTING A BINARY 1 IN A GIVEN ORDER OF SAID SECOND REGISTER IF THE NEXT CORRESPONDING LOWER ORDERS OF SAID FIRST AND SECOND REGISTERS ARE BOTH STORING A BINARY 1, OR THE NEXT LOWER ORDER OF SAID FIRST REGISTER IS STORING A BINARY 1 AND A BINARY 1 IS BEING CONCURRENTLY STORED IN THE NEXT LOWER ORDER, AND FINALY STORING IN ONE OF SAID REGISTERS THE EXCLUSIVE-OR OF THE CONTENTS OF SAID FIRST AND SECOND REGISTERS TO PROVIDE THE SUM THEREIN.
Claim 2
Dependent Claim
161 words
IN A SYSTEM FOR ADDING BINARY NUMBERS AND SEPARATELY STORING THE CARRIES, THE COMBINATION COMPRISING FIRST AND SECOND REGISTERS, FIRST MEANS FOR STORING IN SAID FIRST REGISTER THE EXCLUSIVE-OR OF CORRESPONDING ORDERS OF TWO BINARY NUMBERS BEING ADDED AND SIMULTANEOUSLY STORING IN SAID SECOND REGISTER THE LOGICAL-AND OF SAID CORRESPONDING ORDERS, SECOND MEANS FOR SHIFTING SAID LOGICAL-AND STORED IN SAID SECOND REGISTER ONE PLACE IN THE DIRECTION OF HIGHER ORDER POSITIONS OF SAID FIRST AND SECOND REGISTERS, THIRD MEANS FOR INSERTING A BINARY 1 IN A GIVEN ORDER OF SAID SECOND REGISTER IF THE NEXT CORRESPONDING LOWER ORDERS OF SAID FIRST AND SECOND REGISTERS ARE BOTH STORING A BINARY 1, OR THE NEXT LOWER ORDER OF SAID FIRST REGISTER IS STORING A BINARY 1 AND A BINARY 1 IS BEING CONCURRENTLY STORED IN THE NEXT LOWER ORDER, AND FINALY STORING IN ONE OF SAID REGISTERS THE EXCLUSIVE-OR OF THE CONTENTS OF SAID FIRST AND SECOND REGISTERS TO PROVIDE THE SUM THEREIN.
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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |