US3289175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Computer data storage system
Assignee: International Business Machines Corp
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Filing: 1963-05-23
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Granted: 1966-11-29
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Expires: 1983-05-23
Abstract
No abstract record available.
Inventors
- 👤 Rice Rex
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:09
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/02; G06F16/00; G06F16/90; G06F16/901; G06F16/9017; G06F16/902; G06F16/903; G06F16/90335; G06F16/90339
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
AN INPUT AND SEARCH SYSTEM FOR HIERARCHIALLY ORGANIZED VARIABLE FIELD LENGTH DATA FOR USE WITH A HIGH-SPEED RANDOM ACCESS MAIN MEMORY HAVING A PLURALITY OF INDIVIDUALLY ADDRESSABLE FIXED FIELD LENGTH STORAGE LOCATIONS WHEREIN THE DATA TO BE STORED AND SEARCHED CONTAINS HIERARCHICAL LEVEL IDENTIFIER SYMBOLS SEPARATING SAID LEVELS, SAID SYSTEM COMPRISING, MEANS FOR DETECTING SAID LEVEL IDENTIFIERS IN THE INPUT DATA STRING AND, MEANS FOR STORING AN OCCURRENCE MARK IN AN AUXILIARY STORAGE MEANS INDICATIVE OF THE PRESENCE OF A LEVEL IDENTIFIER IN THE DATA STRING SUMULTANEOUSLY WITH ITS STORAGE IN THE MAIN MEMORY, AND SEARCH MEANS FOR LOCATING THE ADDRESS OF DATA IN THE MAIN MEMORY COMPRISING, MEANS FOR SEARCHING SAID AUXILIARY STORAGE MEAN FOR SAID OCCURRENCE MARKS, MEANS FOR COUNTING CERTAIN OF SAID MARKS TO LOCATE A DESIRED ONE AND, MEANS FOR DERIVING AN ADDRESS IS MAIN MEMORY FOR THE DESIRED DATA FROM SAID MARK.
Claim 2
Dependent Claim
147 words
AN INPUT AND SEARCH SYSTEM FOR HIERARCHIALLY ORGANIZED VARIABLE FIELD LENGTH DATA FOR USE WITH A HIGH-SPEED RANDOM ACCESS MAIN MEMORY HAVING A PLURALITY OF INDIVIDUALLY ADDRESSABLE FIXED FIELD LENGTH STORAGE LOCATIONS WHEREIN THE DATA TO BE STORED AND SEARCHED CONTAINS HIERARCHICAL LEVEL IDENTIFIER SYMBOLS SEPARATING SAID LEVELS, SAID SYSTEM COMPRISING, MEANS FOR DETECTING SAID LEVEL IDENTIFIERS IN THE INPUT DATA STRING AND, MEANS FOR STORING AN OCCURRENCE MARK IN AN AUXILIARY STORAGE MEANS INDICATIVE OF THE PRESENCE OF A LEVEL IDENTIFIER IN THE DATA STRING SUMULTANEOUSLY WITH ITS STORAGE IN THE MAIN MEMORY, AND SEARCH MEANS FOR LOCATING THE ADDRESS OF DATA IN THE MAIN MEMORY COMPRISING, MEANS FOR SEARCHING SAID AUXILIARY STORAGE MEAN FOR SAID OCCURRENCE MARKS, MEANS FOR COUNTING CERTAIN OF SAID MARKS TO LOCATE A DESIRED ONE AND, MEANS FOR DERIVING AN ADDRESS IS MAIN MEMORY FOR THE DESIRED DATA FROM SAID MARK.
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |