US3253265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Associative memory ordered retrieval
Assignee: International Business Machines Corp
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Filing: 1961-12-29
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Granted: 1966-05-24
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Expires: 1981-12-29
Abstract
No abstract record available.
Inventors
- 👤 Arwin B Lindquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:24
CPC Classifications
G; G11; G11C; G11C15/00; G11C15/06; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/831
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
AN ASSOCIATIVE MEMORY SYSTEM HAVING WORD STORAGE WHEREIN THE LATTER ARE RANDOMLY STORED IN A PLURALITY OF REGISTERS, MEANS FOR LOCATING A WORD OF A PREDETERMINED RANK IN SUCH RANDOMLY STORED ARRAY OF WORDS WITHOUT REMOVING SUCH WORD FROM SAID PLURALITY OF REGISTERS, AND FURTHER MEANS FOR LOCATING ALL HIGHER RANKING WORDS THAN SUCH PREDETERMINED WORD IN AN ORDERED SEQUENCE WITHOUT REMOVING SAID WORDS FROM THEIR RANDOM ORDER IN SAID REGISTERS.
Claim 2
Dependent Claim
71 words
AN ASSOCIATIVE MEMORY SYSTEM HAVING WORD STORAGE WHEREIN THE LATTER ARE RANDOMLY STORED IN A PLURALITY OF REGISTERS, MEANS FOR LOCATING A WORD OF A PREDETERMINED RANK IN SUCH RANDOMLY STORED ARRAY OF WORDS WITHOUT REMOVING SUCH WORD FROM SAID PLURALITY OF REGISTERS, AND FURTHER MEANS FOR LOCATING ALL HIGHER RANKING WORDS THAN SUCH PREDETERMINED WORD IN AN ORDERED SEQUENCE WITHOUT REMOVING SAID WORDS FROM THEIR RANDOM ORDER IN SAID REGISTERS.
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) | 1969-05-23 | 1969-11-22 | 1970-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-23 | 1973-11-22 | 1974-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-23 | 1977-11-22 | 1978-05-24 | $7700.00 | Window Closed / Lapsed |