US3071756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic memory
Assignee: International Business Machines Corp
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Filing: 1961-04-11
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Granted: 1963-01-01
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Expires: 1981-04-11
Abstract
No abstract record available.
Inventors
- 👤 Emerson W Pugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:05
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/02; G11C11/14; G11C11/04; G11C7/00; H; H01; H01F; H01F10/00; H01F10/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
APPARATUS FOR STORING BINARY INFORMATION COMPRISING, A MAGNETIC ELEMENT EXHIBITING A BIAXIAL ANISOTROPIC CHARACTERISTIC DEFINING OPPOSITE REMANENT STABLE STATES OF FLUX ORIENTATION ALONG A FIRST EASY AXIS OF MAGNETIZATION AND ANGULARLY DISPLACED FROM SAID FIRST EASY AXIS OPPOSITE REMANENT STABLE STATES OF FLUX ORIENTATION ALONG A SECOND EASY AXIS OF MAGNETIZATION, FIRST MEANS FOR APPLYING A FIELD OF PREDETERMINED MAGNITUDE DIRECTED ALONG SAID SECOND EASY AXIS TO SWITCH SAID ELEMENT FROM ORIENTATION ALONG SAID FIRST EASY AXIS TO A STABLE ORIENTED STATE ALONG SAID SECOND EASY AXIS AND MEANS OPERATIVE IN NON-COINCIDENT TIME RELATIONSHIP WITH SAID FIRST MEANS FOR THEREAFTER APPLYING A FIELD OF PREDETERMINED MAGNITUDE DIRECTED
Claim 2
Dependent Claim
107 words
APPARATUS FOR STORING BINARY INFORMATION COMPRISING, A MAGNETIC ELEMENT EXHIBITING A BIAXIAL ANISOTROPIC CHARACTERISTIC DEFINING OPPOSITE REMANENT STABLE STATES OF FLUX ORIENTATION ALONG A FIRST EASY AXIS OF MAGNETIZATION AND ANGULARLY DISPLACED FROM SAID FIRST EASY AXIS OPPOSITE REMANENT STABLE STATES OF FLUX ORIENTATION ALONG A SECOND EASY AXIS OF MAGNETIZATION, FIRST MEANS FOR APPLYING A FIELD OF PREDETERMINED MAGNITUDE DIRECTED ALONG SAID SECOND EASY AXIS TO SWITCH SAID ELEMENT FROM ORIENTATION ALONG SAID FIRST EASY AXIS TO A STABLE ORIENTED STATE ALONG SAID SECOND EASY AXIS AND MEANS OPERATIVE IN NON-COINCIDENT TIME RELATIONSHIP WITH SAID FIRST MEANS FOR THEREAFTER APPLYING A FIELD OF PREDETERMINED MAGNITUDE DIRECTED
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |