Patent US2170478A successfully refreshed from Google Patents.
Patent US3197751A successfully refreshed from Google Patents.
US3197751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flying magnetic head assembly
Assignee: General Precision Inc
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Filing: 1963-12-18
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Granted: 1965-07-27
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Expires: 1983-12-18
Abstract
No abstract record available.
Inventors
- 👤 John A Felts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:20
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/48; G11B5/58; G11B5/60; G11B5/6005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A TRANSDUCER ASSEMBLY ADAPTED FOR OPERATION IN GASLUBRICATED RELATIONSHIP WITH A MAGNETIZABLE SURFACE MOVING IN RELATION THERETO, COMPRISING: (A) A SHOE HAVING A BEARING PAD WITH LEADING AND LAGGING EDGES OPPOSITELY DISPOSED WITH RESPECT TO THE DIRECTION OF MOVEMENT OF SAID SURFACE, AND A HEAD SUPPORT SECTION ADJACENT THE LAGGIG EDGE OF SAID BEARING PAD AND POSITIONED WITH RESPECT TO SAID PAD SO AS TO BE MORE DISTANTLY SPACED FROM SAID SURFACE WITH RESPECT TO SAID BEARING PAD; (B) A RECORDING HEAD CARRIED BY SAID SUPPORT SECTION AND HAVING POLE PIECES PRESENTING A GAP, SAID GAP BEING POSITIONED REARWARDLY OF SAID LAGGING EDGE; AND (C) MEANS FOR TILTABLY MOUNTING SAID SHOE WHEREBY THE LEADING EDGE OF SAID BEARING PAD MAY, IN OPERATING RELATIONSHIP WITH SAID MAGNETIC SURFACE, ASSUME A POSITION FURTHER FROM SAID SURFACE THAN THE LAGGING EDGE THEREOF.
Claim 2
Dependent Claim
139 words
A TRANSDUCER ASSEMBLY ADAPTED FOR OPERATION IN GASLUBRICATED RELATIONSHIP WITH A MAGNETIZABLE SURFACE MOVING IN RELATION THERETO, COMPRISING: (A) A SHOE HAVING A BEARING PAD WITH LEADING AND LAGGING EDGES OPPOSITELY DISPOSED WITH RESPECT TO THE DIRECTION OF MOVEMENT OF SAID SURFACE, AND A HEAD SUPPORT SECTION ADJACENT THE LAGGIG EDGE OF SAID BEARING PAD AND POSITIONED WITH RESPECT TO SAID PAD SO AS TO BE MORE DISTANTLY SPACED FROM SAID SURFACE WITH RESPECT TO SAID BEARING PAD; (B) A RECORDING HEAD CARRIED BY SAID SUPPORT SECTION AND HAVING POLE PIECES PRESENTING A GAP, SAID GAP BEING POSITIONED REARWARDLY OF SAID LAGGING EDGE; AND (C) MEANS FOR TILTABLY MOUNTING SAID SHOE WHEREBY THE LEADING EDGE OF SAID BEARING PAD MAY, IN OPERATING RELATIONSHIP WITH SAID MAGNETIC SURFACE, ASSUME A POSITION FURTHER FROM SAID SURFACE THAN THE LAGGING EDGE THEREOF.
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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |