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US3310792A Expired / Lapsed US ⏱️ 0.0 years remaining

Magnetic head mount apparatus

Assignee: Unisys Corp
•
Filing: 1963-05-20
•
Granted: 1967-03-21
•
Expires: 1983-05-20
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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

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