Patent US3125745A successfully refreshed from Google Patents.
US3125745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: —
•
Filing: —
•
Granted: 1964-03-17
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Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:00
CPC Classifications
G; G11; G11C; G11C7/00; G11C7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
APPARATUS FOR NON-DESTRUCTIVELY SENSING THE REMANENT STATE OF A CORE COMPRISING AT LEAST TWO MAGNETIC CORES EACH HAVING A PREFERRED AXIS OF MAGNETIZATION AND TWO STABLE STATES OF MAGNETIC REMANENCE ORIENTED IN OPPOSITE DIRECTIONS ALONG ITS SAID AXIS, SAID CORES BEING ARRANGED ADJACENT ONE ANOTHER WITH THEIR SAID AXES BEING TRANSVERSELY ORIENTED IN RESPECTIVE PARALLEL PLANES, AND MEANS INCLUDING MEANS FOR PRODUCING A MAGNETIC FIELD ALONG THE PREFERRED MAGNETIZATION AXIS OF ONLY ONE OF SAID CORES, FOR CAUSING IN THAT CORE IN-PLANE ROTATION OF THE REMANENT MAGNETIZATION IN ONE DIRECTION OR ANOTHER IN ACCORDANCE WITH WHETHER THE OTHER CORE IS IN ONE OR THE OTHER OF ITS STATES SO AS TO INDICATE BY THE DIRECTION OF SAID ROTATION THE STATE OF SAID OTHER CORE WITHOUT CHANGING THE STATE THEREOF.
Claim 2
Dependent Claim
129 words
APPARATUS FOR NON-DESTRUCTIVELY SENSING THE REMANENT STATE OF A CORE COMPRISING AT LEAST TWO MAGNETIC CORES EACH HAVING A PREFERRED AXIS OF MAGNETIZATION AND TWO STABLE STATES OF MAGNETIC REMANENCE ORIENTED IN OPPOSITE DIRECTIONS ALONG ITS SAID AXIS, SAID CORES BEING ARRANGED ADJACENT ONE ANOTHER WITH THEIR SAID AXES BEING TRANSVERSELY ORIENTED IN RESPECTIVE PARALLEL PLANES, AND MEANS INCLUDING MEANS FOR PRODUCING A MAGNETIC FIELD ALONG THE PREFERRED MAGNETIZATION AXIS OF ONLY ONE OF SAID CORES, FOR CAUSING IN THAT CORE IN-PLANE ROTATION OF THE REMANENT MAGNETIZATION IN ONE DIRECTION OR ANOTHER IN ACCORDANCE WITH WHETHER THE OTHER CORE IS IN ONE OR THE OTHER OF ITS STATES SO AS TO INDICATE BY THE DIRECTION OF SAID ROTATION THE STATE OF SAID OTHER CORE WITHOUT CHANGING THE STATE THEREOF.
References Cited (Backward Citations)
US2984825A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-17 | 1967-09-16 | 1968-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-17 | 1971-09-16 | 1972-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-17 | 1975-09-16 | 1976-03-17 | $7700.00 | Window Closed / Lapsed |