Patent US3268750A successfully refreshed from Google Patents.
Patent US3144549A successfully refreshed from Google Patents.
US3144549A
Expired / Lapsed
US
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Data storage system
Assignee: Unisys Corp
•
Filing: 1956-08-15
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Granted: 1964-08-11
•
Expires: 1976-08-15
Abstract
No abstract record available.
Inventors
- 👤 George G Hoberg
- 👤 Lucille E Mott
- 👤 John R Van Andel
- 👤 Edward W Veitch
- 👤 Richard C Weise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:50
CPC Classifications
G; G06; G06F; G06F15/00; G06F15/08; G06F9/00; G06F9/06; G06F9/30; G06F9/34; G11; G11C; G11C19/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN AN ELECTRONIC COMPUTER SYSTEM HAVING A MEMORY WITH MORE THAN ONE LOCATION EACH IDENTIFIED BY A DIFFERENT ADDRESS DIGIT, MEANS FOR AUTOMATICALLY SCANNING A FIXED NUMBER OF SAID MEMORY LOCATIONS COMPRISING A STEPPING COUNTER, EACH STEP OF WHICH REPRESENTS A DIFFERENT ONE OF THE MEMORY LOCATIONS, MEANS FOR PRESETTING THE NUMBER OF STEPS TO BE SCANNED BY SAID COUNTER SO AS TO CALL FOR A SPECIFIED NUMBER OF LOCATIONS ON SAID MEMORY, SAID
Claim 2
Dependent Claim
74 words
IN AN ELECTRONIC COMPUTER SYSTEM HAVING A MEMORY WITH MORE THAN ONE LOCATION EACH IDENTIFIED BY A DIFFERENT ADDRESS DIGIT, MEANS FOR AUTOMATICALLY SCANNING A FIXED NUMBER OF SAID MEMORY LOCATIONS COMPRISING A STEPPING COUNTER, EACH STEP OF WHICH REPRESENTS A DIFFERENT ONE OF THE MEMORY LOCATIONS, MEANS FOR PRESETTING THE NUMBER OF STEPS TO BE SCANNED BY SAID COUNTER SO AS TO CALL FOR A SPECIFIED NUMBER OF LOCATIONS ON SAID MEMORY, SAID
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |