Patent US3274575A successfully refreshed from Google Patents.
US3274575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transducer having a magneto-resistive bridge circuit
Assignee: Individual
•
Filing: 1963-08-01
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Granted: 1966-09-20
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Expires: 1983-08-01
Abstract
No abstract record available.
Inventors
- 👤 Koster Heinz Adolf De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:17
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/127; G11B5/33; G11B5/39
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A TRANSDUCER COMPRISING A MAGNETIC BRIDGE HAVING FOUR ARMS, EACH OF SAID ARMS PROVIDING A PATH FOR MAGNETIC FLUX AND EACH INCLUDING A HIGH RELUCTANCE GAP, ADJACENT ARMS BEING MAGNETICALLY CONNECTED TO FORM BRIDGE TERMINALS, AND FOUR MAGNETO-RESISTIVE ELEMENTS ONE DISPOSED IN EACH OF SAID ARMS IN SAID GAP, EACH OF SAID ELEMENTS INCLUDING TWO TERMINALS FOR CONNECTING THE SAME TO ASSOCIATED ELECTRICAL CIRCUITS.
Claim 2
Dependent Claim
64 words
A TRANSDUCER COMPRISING A MAGNETIC BRIDGE HAVING FOUR ARMS, EACH OF SAID ARMS PROVIDING A PATH FOR MAGNETIC FLUX AND EACH INCLUDING A HIGH RELUCTANCE GAP, ADJACENT ARMS BEING MAGNETICALLY CONNECTED TO FORM BRIDGE TERMINALS, AND FOUR MAGNETO-RESISTIVE ELEMENTS ONE DISPOSED IN EACH OF SAID ARMS IN SAID GAP, EACH OF SAID ELEMENTS INCLUDING TWO TERMINALS FOR CONNECTING THE SAME TO ASSOCIATED ELECTRICAL CIRCUITS.
References Cited (Backward Citations)
US2969529A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |