Patent US3253264A successfully refreshed from Google Patents.
US3253264A
Expired / Lapsed
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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
- 👤 Robert R Seeber
- 👤 Arwin B Lindquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:50
CPC Classifications
G; G11; G11C; G11C15/00; G11C15/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
64 words
AN ASSOCIATIVE MEMORY SYSTEM INCLUDING A PLURALITY OF BINARY WORD REGISTERS SEQUENTIALLY ARRANGED IN A PARALLEL CONFIGURATION, MEANS FOR INDICATING WHICH REGISTERS CONTAIN A MEANINGFUL WORD AND WHICH REGISTERS ARE EMPTY OF MEANINGFUL WORDS, AN INTERROGATION REGISTER, MEANS FOR MAKING A SIMULTANEOUS COMPARISON BETWEEN THE CONTENTS OF SAID INTERROGATION REGISTER AND THE CONTENTS OF EACH WORD REGISTER WITHOUT REMOVING THE LATTER FROM SAID MEM-
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 |