Patent US3273131A successfully refreshed from Google Patents.
US3273131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Queue reducing memory
Assignee: International Business Machines Corp
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Filing: 1963-12-31
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Granted: 1966-09-13
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Expires: 1983-12-31
Abstract
No abstract record available.
Inventors
- 👤 William G Strohm
- 👤 Ernesto F Yhap
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:35
CPC Classifications
G; G11; G11C; G11C21/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
AN INFORMATION STORAGE SYSTEM WHEREIN MULTIPLE CHARACTER MESSAGES MAY BE STORED IN UNALLOCATED STORAGE POSITIONS AND BE OF VARIABLE FIELD LENGTH WHEREIN EACH MESSAGE BEINGS WITH A SPECIFIC "RECORD ADDRESS" CHARACTER WHICH INDENTIFIES A PARTICULAR MESSAGE AND WHEREIN ONLY ONE SUCH "RECORD ADDRESS" CHARACTER IS ASSOCIATED WITH ANY ONE MESSAGE, SAID SYSTEM COMPRISING: (A) A HIGH-SPEED SERIAL MAIN MEMORY COMPRISING A RICIRCULATING STORAGE LOOP; (B) MEANS FOR CONTINUOUSLY RECIRCULATING THE CONTENTS OF SAID LOOP AND FOR ERASING SAME AT ANY DESIRED TIME; (C) INPUT REGISTER MEANS SELECTIVELY CONNECTABLE TO SAID LOOP FOR INPUTING NEW DATA THERETO; (D) MEANS FOR CONTINUOUSLY SCANNING SAID LOOP FOR A MINIMUM NUMBER OF AVAILABLE STORAGE LOCATIONS TO ASCERTAIN AT WHICH POINT NEW DATA IS TO BE INSERTED;
Claim 2
Dependent Claim
122 words
AN INFORMATION STORAGE SYSTEM WHEREIN MULTIPLE CHARACTER MESSAGES MAY BE STORED IN UNALLOCATED STORAGE POSITIONS AND BE OF VARIABLE FIELD LENGTH WHEREIN EACH MESSAGE BEINGS WITH A SPECIFIC "RECORD ADDRESS" CHARACTER WHICH INDENTIFIES A PARTICULAR MESSAGE AND WHEREIN ONLY ONE SUCH "RECORD ADDRESS" CHARACTER IS ASSOCIATED WITH ANY ONE MESSAGE, SAID SYSTEM COMPRISING: (A) A HIGH-SPEED SERIAL MAIN MEMORY COMPRISING A RICIRCULATING STORAGE LOOP; (B) MEANS FOR CONTINUOUSLY RECIRCULATING THE CONTENTS OF SAID LOOP AND FOR ERASING SAME AT ANY DESIRED TIME; (C) INPUT REGISTER MEANS SELECTIVELY CONNECTABLE TO SAID LOOP FOR INPUTING NEW DATA THERETO; (D) MEANS FOR CONTINUOUSLY SCANNING SAID LOOP FOR A MINIMUM NUMBER OF AVAILABLE STORAGE LOCATIONS TO ASCERTAIN AT WHICH POINT NEW DATA IS TO BE INSERTED;
References Cited (Backward Citations)
US2978680A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |