US3247490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Computer memory system
Assignee: Unisys Corp
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Filing: 1961-12-19
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Granted: 1966-04-19
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Expires: 1981-12-19
Abstract
No abstract record available.
Inventors
- 👤 Glen R Kregness
- 👤 Charles J Pence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:59
CPC Classifications
G; G06; G06F; G06F15/00; G06F9/00; G06F9/06; G06F9/44; G06F9/4401; G06F9/4403
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN A DIGITAL COMPUTER, THE COMBINATION COMPRISING: A VOLATILE MEMORY FOR STORING DATA SIGNALS INCLUDING A PROGRAM OF INSTRUCTION WORD SIGNALS AT ADDRESSABLE STORAGE LOCATIONS; A NON-VOLATILE MEMORY FOR STORING A SEQUENCE OF INSTRUCTION SIGNALS; ADDRESS REGISTER MEANS ADAPTED TO RECEIVE ADDRESS REPRESENTING SIGNALS; TRANSLATOR MEANS CONNECTED TO SAID REGISTER MEANS FOR EXAMINING SAID ADDRESS REPRESENTING SIGNALS AND FOR PRODUCING SELECTION SIGNALS ON ITS OUTPUT LINES IN ACCORDANCE WITH SAID ADDRESS REPRESENTING SIGNALS; DRIVING MEANS CONNECTING SAID TRANSLATOR MEANS TO SAID VOLATILE AND NON-VOLATILE MEMORIES AND RESPONSIVE TO SAID SELECTION SIGNALS FOR READING OUT DATA FROM A SPECIFIED ONE OF SAID STORAGE LOCATIONS IN SAID VOLATILE MEMORY WHEN SAID ADDRESS
Claim 2
Dependent Claim
110 words
IN A DIGITAL COMPUTER, THE COMBINATION COMPRISING: A VOLATILE MEMORY FOR STORING DATA SIGNALS INCLUDING A PROGRAM OF INSTRUCTION WORD SIGNALS AT ADDRESSABLE STORAGE LOCATIONS; A NON-VOLATILE MEMORY FOR STORING A SEQUENCE OF INSTRUCTION SIGNALS; ADDRESS REGISTER MEANS ADAPTED TO RECEIVE ADDRESS REPRESENTING SIGNALS; TRANSLATOR MEANS CONNECTED TO SAID REGISTER MEANS FOR EXAMINING SAID ADDRESS REPRESENTING SIGNALS AND FOR PRODUCING SELECTION SIGNALS ON ITS OUTPUT LINES IN ACCORDANCE WITH SAID ADDRESS REPRESENTING SIGNALS; DRIVING MEANS CONNECTING SAID TRANSLATOR MEANS TO SAID VOLATILE AND NON-VOLATILE MEMORIES AND RESPONSIVE TO SAID SELECTION SIGNALS FOR READING OUT DATA FROM A SPECIFIED ONE OF SAID STORAGE LOCATIONS IN SAID VOLATILE MEMORY WHEN SAID ADDRESS
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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |