Patent US3178519A successfully refreshed from Google Patents.
US3178519A
Expired / Lapsed
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Magnetic transducer head
Assignee: Clevite Corp
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Filing: 1960-12-27
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Granted: 1965-04-13
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Expires: 1980-12-27
Abstract
No abstract record available.
Inventors
- 👤 Blumenthal John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:43
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/10; G11B5/105; G11B5/127; G11B5/29; G11B5/295; G11B5/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
194 words
A MAGNETIC TRANSDUCER HEAD TO BE MOUNTED IN CAREFULLY CONTROLLED ORIENTATION TO A STRUCTURAL MEMBER SUCH AS ANOTHER HEAD OR SUCH AS A TRANSDUCER DEVICE COMPRISING, IN COMBINATION: A MOUNTING MEMBER HAVING FIRST PLANAR CORE MOUNTING AREA MEANS AND HAVING A SECOND PLANAR AREA HAVING A PREDETERMINED AND CAREFULLY CONTROLLED ORIENTATION IN RESPECT TO SAID FIRST CORE MOUNTING AREA MEANS; MAGNETIC CORE MEANS FORMED AT A FIRST CORE PORTION HAVING A TRANSDUCING GAP FACE AND A MOUNTING FACE COPLANAR WITH SAID TRANSDUCING GAP FACE; HOLDING OND CORE PORTION HAVING A TRANDUSCING GAP FACE; HOLDING MEANS HOLDING SAID FIRST CORE PORTION WITH ITS MOUNTING FACE AGAINST THE SAID FIRST PLANAR CORE MOUNTING AREA MEANS OF SAID MOUNTING MEMBER AND WITH ITS TRANSDUCING GAP FACE FREE OF ENGAGEMENT WITH SAID MOUNTING MEMBER; HOLDING MEANS HOLDING SAID SECOND CORE PORTION WITH ITS TRANSDUCING GAP FACE AGAINST THE FREE TRANSDUCING GAP FACE OF SAID FIRST CORE PORTION FORMING A SUBSTANTIALLY CLOSED MAGNETIC CIRCUIT THEREWITH; AND COIL MEANS ABOUT SAID MAGNETIC CIRCUIT; THE SAID CEOND PLANAR AREA OF SAID MOUNTING MEMBER BEING EXPOSED FOR MOUNTING SAID TRANSDUCER HEAD IN PREDETERMINED CAREFULLY CONTROLLED ORIENTATION IN REGARD TO A STRUCTURAL MEMBER.
Claim 2
Dependent Claim
194 words
A MAGNETIC TRANSDUCER HEAD TO BE MOUNTED IN CAREFULLY CONTROLLED ORIENTATION TO A STRUCTURAL MEMBER SUCH AS ANOTHER HEAD OR SUCH AS A TRANSDUCER DEVICE COMPRISING, IN COMBINATION: A MOUNTING MEMBER HAVING FIRST PLANAR CORE MOUNTING AREA MEANS AND HAVING A SECOND PLANAR AREA HAVING A PREDETERMINED AND CAREFULLY CONTROLLED ORIENTATION IN RESPECT TO SAID FIRST CORE MOUNTING AREA MEANS; MAGNETIC CORE MEANS FORMED AT A FIRST CORE PORTION HAVING A TRANSDUCING GAP FACE AND A MOUNTING FACE COPLANAR WITH SAID TRANSDUCING GAP FACE; HOLDING OND CORE PORTION HAVING A TRANDUSCING GAP FACE; HOLDING MEANS HOLDING SAID FIRST CORE PORTION WITH ITS MOUNTING FACE AGAINST THE SAID FIRST PLANAR CORE MOUNTING AREA MEANS OF SAID MOUNTING MEMBER AND WITH ITS TRANSDUCING GAP FACE FREE OF ENGAGEMENT WITH SAID MOUNTING MEMBER; HOLDING MEANS HOLDING SAID SECOND CORE PORTION WITH ITS TRANSDUCING GAP FACE AGAINST THE FREE TRANSDUCING GAP FACE OF SAID FIRST CORE PORTION FORMING A SUBSTANTIALLY CLOSED MAGNETIC CIRCUIT THEREWITH; AND COIL MEANS ABOUT SAID MAGNETIC CIRCUIT; THE SAID CEOND PLANAR AREA OF SAID MOUNTING MEMBER BEING EXPOSED FOR MOUNTING SAID TRANSDUCER HEAD IN PREDETERMINED CAREFULLY CONTROLLED ORIENTATION IN REGARD TO A STRUCTURAL MEMBER.
References Cited (Backward Citations)
US2928907A
Cited
US2965886A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |