US3387281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Information storage arrangement employing circulating memories
Assignee: AT&T Inc
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Filing: 1965-11-12
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Granted: 1968-06-04
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Expires: 1985-11-12
Abstract
No abstract record available.
Inventors
- 👤 Theodore R Peters
Bibliographic Details
Application Number
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Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:00
CPC Classifications
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Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
IN COMBINATION, AN ASYNCHRONOUS DATA SOURCE, A CIRCULATING MEMORY CHARACTERIZED BY A CAPACITY OF M BITS, WHERE M IS A POSITIVE INTEGER, AND A PLURALITY OF CASCADED INTERMEDIATE STORAGE STAGES CONNECTING SAID SOURCE AND SAID CIRCULATING MEMORY, EACH OF SAID INTERMEDIATE STORAGE STAGES COMPRISING A PLURALITY OF LIKE PERIODIC MEMORIES OF CAPACITY M/N, WHERE N AND M/N ARE POSITIVE INTEGERS.
Claim 2
Dependent Claim
60 words
IN COMBINATION, AN ASYNCHRONOUS DATA SOURCE, A CIRCULATING MEMORY CHARACTERIZED BY A CAPACITY OF M BITS, WHERE M IS A POSITIVE INTEGER, AND A PLURALITY OF CASCADED INTERMEDIATE STORAGE STAGES CONNECTING SAID SOURCE AND SAID CIRCULATING MEMORY, EACH OF SAID INTERMEDIATE STORAGE STAGES COMPRISING A PLURALITY OF LIKE PERIODIC MEMORIES OF CAPACITY M/N, WHERE N AND M/N ARE POSITIVE INTEGERS.
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) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |