US3310792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic head mount apparatus
Assignee: Unisys Corp
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Filing: 1963-05-20
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Granted: 1967-03-21
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Expires: 1983-05-20
Abstract
No abstract record available.
Inventors
- 👤 Robert G Groom
- 👤 Shahbuddin A Billawala
- 👤 Alpheus F Stansell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:43
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/127; G11B5/17; G11B5/48; G11B5/58; G11B5/60; G11B5/6005
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
152 words
A DEVICE FOR SUPPORTING A MAGNETIC RECORDING HEAD ASSEMBLY ON A FLUID BEARING FORMED BY A MAGNETIC RECORDING SURFACE MOVING IN A FLUID ATMOSPHERE COMPRISING AN ELONGATED PLATE OF ELASTIC MATERIAL HAVING A FIRST END FOR MOUNTING THE PLATE AND INCLUDING A HEAD SUPPORT MEMBER AT A SECOND END OPPOSITE TO SAID FIRST END ADAPTED FOR SUPPORTING A MAGNETIC RECORDING HEAD ASSEMBLY, TWO SUBSTANTIALLY SEMICIRCULAR SHAPED PERFORATIONS IN SAID PLATE SYMMETRICALLY POSITIONED ABOUT THE HEAD SUPPORT MEMBER, A THIRD PERFORATION IN SAID PLATE AND ENCIRCLING A PORTION OF SAID SEMICIRCULAR PERFORATIONS AND A PORTION OF SAID PLATE BEING REMOVED ON THE OTHER SIDE OF SAID FIRST AND SECOND PERFORATIONS FROM SAID THIRD PERFORATION, SAID REMOVED PORTION AND SAID PERFORATIONS PERMITTING RESTRAINED ROTATIONAL MOVEMENT OF THE HEAD SUPPORT MEMBER ABOUT A PIVOT POINT THEREOF AND ALLOWING THE PLATE OF MATERIAL TO INHIBIT MOVEMENT OF THE HEAD SUPPORT MEMBER PARALLEL WITH SUCH RECORDING SURFACE.
References Cited (Backward Citations)
US3051954A
Cited
US3239804A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |