US3289169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Redundancy reduction memory
Assignee: Beckman Coulter Inc
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Filing: 1962-09-27
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Granted: 1966-11-29
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Expires: 1982-09-27
Abstract
No abstract record available.
Inventors
- 👤 Marion J Marosz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:06
CPC Classifications
H; H03; H03M; H03M7/00; H03M7/30; H03M7/3066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN A MEMORY COMPRISING A FIRST AND SECOND PLURALITY OF DEVICES HAVING AT LEAST TWO STATES AND ARRANGED IN AN ARRAY, FIRST MEANS CONNECTED WITH SAID ARRAY FOR RECEIVING DATA AND FOR CONTROLLING THE STORAGE THEREOF IN ONE OR MORE OF SAID FIRST PLURALITY OF DEVICES, SECOND MEANS CONNECTED WITH SAID FIRST PLURALITY OF DEVICES FOR READING DATA THEREFROM, THE IMPROVEMENT COMPRISING THIRD MEANS CONNECTED WITH SAID SECOND MEANS AND WITH SAID SECOND PLURALITY OF DEVICES FOR CONTROLLING THE STORAGE OF "FLAG BITS" IN SAID SECOND PLURALITY OF DEVICES WHEN NEW DATA STORED UNDER THE CONTROL OF SAID FIRST MEANS IS DIFFERENT FROM DATA PREVIOUSLY STORED IN A PARTICULAR LOCATION IN SAID ARRAY.
Claim 2
Dependent Claim
113 words
IN A MEMORY COMPRISING A FIRST AND SECOND PLURALITY OF DEVICES HAVING AT LEAST TWO STATES AND ARRANGED IN AN ARRAY, FIRST MEANS CONNECTED WITH SAID ARRAY FOR RECEIVING DATA AND FOR CONTROLLING THE STORAGE THEREOF IN ONE OR MORE OF SAID FIRST PLURALITY OF DEVICES, SECOND MEANS CONNECTED WITH SAID FIRST PLURALITY OF DEVICES FOR READING DATA THEREFROM, THE IMPROVEMENT COMPRISING THIRD MEANS CONNECTED WITH SAID SECOND MEANS AND WITH SAID SECOND PLURALITY OF DEVICES FOR CONTROLLING THE STORAGE OF "FLAG BITS" IN SAID SECOND PLURALITY OF DEVICES WHEN NEW DATA STORED UNDER THE CONTROL OF SAID FIRST MEANS IS DIFFERENT FROM DATA PREVIOUSLY STORED IN A PARTICULAR LOCATION IN SAID ARRAY.
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) | 1969-11-28 | 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 |