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
2026-10-23 19:57
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
References Cited (Backward Citations)
US2041147A
Cited
US2112084A
Cited
US2706329A
Cited
US2743507A
Cited
US2746130A
Cited
FR1105870A
Cited
US2724103A
Cited
US2732542A
Cited
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 |