Patent US3260997A successfully refreshed from Google Patents.
US3260997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stored program system
Assignee: Unisys Corp
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Filing: 1961-09-13
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Granted: 1966-07-12
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Expires: 1981-09-13
Abstract
No abstract record available.
Inventors
- 👤 Rolland B Arndt
- 👤 Weigler William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:36
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/30; G06F9/30003; G06F9/30072; G06F9/38; G06F9/3867; G11; G11B; G11B20/00; G11B20/10; G11B20/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
IN A STORED PROGRAM DATA PROCESSING SYSTEM OPERATIN IN SUCCESSIVE MACHINE CYCLES AND UTILIZING WORDS OF DATA AND WORDS OF INSTRUCTION, THE LATTER HAVING A FORMAT INCLUDING A WORD MEMORY ADDRESS PORTION AND AN OPERATION CODE PORTION WHICH MAY REQUIRE A MEMORY REFERENCE DURING EXECUTION, THE COMBINATION COMPRISING: A PLURALITY OF INDEPENDENT MEMORIES EACH HAVING ACCESS CIRCUITS INDIVIDUAL THERETO AND EACH STORING BOTH INSTRUCTION AND DATA WORDS AT ADDRESS LOCATIONS THEREIN, FIRST MEANS FOR GENERATING THE MEMORY ADDRESS OF AN INSTRUCTION WORD, SECOND MEANS FOR HOLDING AN INSTRUCTION WORD FOR COMMAND TRANSLATION, THIRD MEANS USING SAID GENERATED ADDRESS FROM SAID FIRST MEANS DURING A MACHINE CYCLE TO NORMALLY REFERENCE ONE OF SAID MEMORIES IN ORDER TO ACQUIRE AN INSTRUC-
Claim 2
Dependent Claim
119 words
IN A STORED PROGRAM DATA PROCESSING SYSTEM OPERATIN IN SUCCESSIVE MACHINE CYCLES AND UTILIZING WORDS OF DATA AND WORDS OF INSTRUCTION, THE LATTER HAVING A FORMAT INCLUDING A WORD MEMORY ADDRESS PORTION AND AN OPERATION CODE PORTION WHICH MAY REQUIRE A MEMORY REFERENCE DURING EXECUTION, THE COMBINATION COMPRISING: A PLURALITY OF INDEPENDENT MEMORIES EACH HAVING ACCESS CIRCUITS INDIVIDUAL THERETO AND EACH STORING BOTH INSTRUCTION AND DATA WORDS AT ADDRESS LOCATIONS THEREIN, FIRST MEANS FOR GENERATING THE MEMORY ADDRESS OF AN INSTRUCTION WORD, SECOND MEANS FOR HOLDING AN INSTRUCTION WORD FOR COMMAND TRANSLATION, THIRD MEANS USING SAID GENERATED ADDRESS FROM SAID FIRST MEANS DURING A MACHINE CYCLE TO NORMALLY REFERENCE ONE OF SAID MEMORIES IN ORDER TO ACQUIRE AN INSTRUC-
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) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |