US3083353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic memory devices
Assignee: AT&T Inc
•
Filing: 1957-08-01
•
Granted: 1963-03-26
•
Expires: 1977-08-01
Abstract
No abstract record available.
Inventors
- 👤 Andrew H Bobeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:11
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/02; G11C11/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A MEMORY ELEMENT COMPRISING A FIRST CONDUCTING MEANS INCLUDING A HELICAL MAGNETIZABLE COMPONENT, SAID COMPONENT HAVING A SUBSTANTIALLY RECTANGULAR HYSTERESIS CHARACTERISTIC, AND INDUCTIVE MEANS ASSOCIATED ONLY WITH
Claim 2
Dependent Claim
27 words
A MEMORY ELEMENT COMPRISING A FIRST CONDUCTING MEANS INCLUDING A HELICAL MAGNETIZABLE COMPONENT, SAID COMPONENT HAVING A SUBSTANTIALLY RECTANGULAR HYSTERESIS CHARACTERISTIC, AND INDUCTIVE MEANS ASSOCIATED ONLY WITH
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Cited
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |