Patent US3256483A successfully refreshed from Google Patents.
US3256483A
Expired / Lapsed
US
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Magneto-resistive sensing device
Assignee: L3Harris Interstate Electronics Corp
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Filing: 1961-06-15
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Granted: 1966-06-14
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Expires: 1981-06-15
Abstract
No abstract record available.
Inventors
- 👤 Kent D Broadbent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:30
CPC Classifications
G; G11; G11C; G11C11/00; G01; G01R; G01R33/00; G01R33/02; G01R33/06; G01R33/09; G11B; G11B5/00; G11B5/127; G11B5/33; G11C11/02; G11C11/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A MAGNETIC DEVICE COMPRISING A POLARIZABLE ELONGATED MAGNETIC MEDIUM ALTERNATIVELY MGNETIZABLE IN EITHER OF TWO STATES OF MAGNETIZATION, SAID MEDIUM COMPRISING TWO PORTIONS EXTENDING LONGITUDINALLY ALONG SAID MEDIUM AND HAVING A RELATIVELY LOW MAGNETIC HARDNESS AND A SEPARATING PORTION EXTENDING LONGITUDINALLY ALONG SAID MEDIUM BETWEEN SAID TWO PORTIONS AND HAVING A
Claim 2
Dependent Claim
51 words
A MAGNETIC DEVICE COMPRISING A POLARIZABLE ELONGATED MAGNETIC MEDIUM ALTERNATIVELY MGNETIZABLE IN EITHER OF TWO STATES OF MAGNETIZATION, SAID MEDIUM COMPRISING TWO PORTIONS EXTENDING LONGITUDINALLY ALONG SAID MEDIUM AND HAVING A RELATIVELY LOW MAGNETIC HARDNESS AND A SEPARATING PORTION EXTENDING LONGITUDINALLY ALONG SAID MEDIUM BETWEEN SAID TWO PORTIONS AND HAVING A
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |