Patent US3259888A successfully refreshed from Google Patents.
US3259888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic memory employing anisotropy
Assignee: RCA Corp
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Filing: 1963-04-25
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Granted: 1966-07-05
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Expires: 1983-04-25
Abstract
No abstract record available.
Inventors
- 👤 Roy H Cornely
- 👤 Walter F Kosonocky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:30
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/02; G11C11/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
131 words
A MAGNETIC ELEMENT COMPRISING TWO CROSSED CONDUCTORS, AND A BODY OF MAGNETIC MATERIAL SURROUNDING SAID CONDUCTORS AND PROVIDING CLOSED LOOP MAGNETIC FLUX PATHS SURROUNDING THE CONDUCTORS, SAID BODY OF MAGNETIC MATERIAL BEING CHARACTERIZED IN HAVING AT LEAST A PART WHICH IS ANISOTROPIC AND WHICH IS LOCATED SO THAT IT IS COMMON TO A CLOSED LOOP MAGNETIC FLUX PATH WHICH SURROUNDS ONE CONDUCTOR AND A CLOSED LOOP MAGNETIC FLUX PATH WHICH SURROUNDS THE OTHER CONDUCTOR, SAID PART WHICH IS ANISOTROPIC BEING ORIENTED SO THAT IT HAS A RELATIVELY EASY DIRECTION OF MAGNETIZATION IN THE DIRECTION OF A FLUX DUE TO CURRENT IN ONE OF SAID CONDUCTORS AND SO THAT IT HAS RELATIVELY HARD DIRECTION OF MAGNETIZATION IN THE DIRECTION OF A FLUX DUE TO CURRENT IN THE OTHER ONE OF SAID CONDUCTORS.
References Cited (Backward Citations)
US2997695A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |