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US3199802A Expired / Lapsed US ⏱️ 0.0 years remaining

Tape recorder

Assignee: Zenith Electronics LLC
•
Filing: 1963-09-03
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Granted: 1965-08-10
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Expires: 1983-09-03
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Abstract

No abstract record available.

Inventors

  • 👤 Eugene J Polley
  • 👤 Richard L Rost

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 00:23
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/675; G11B15/68; G11B15/6885

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 171 words
IN A TAPE RECORDER FOR TRANSPORTING A CONTINUOUS FLEXIBLE TAPE FROIM A STORAGE REEL TO A TAKE-UP REEL, THE IMPROVEMENT COMPRISING: A TRANSPORT MECHANISM INCLUDING A CAPSTAN FOR MOVING SAID TAPE BETWEEN SAID REELS; A PIVOTALLY SUPPORTED LEVER HAVING FIRST AND SECOND CAM PORTIONS; A PRSSURE ROLLER ASSEMBLY COMPRISING A PLIANT ROLLER ROTATABLY MOUNTED ON SAID LEVER AND HAVING A REST POSITION IN WHICH SAID ROLLER IS SPACED FROM SAID CAPSTAN BUT MOVABLE TO AN OPERATING POSITION IN WHICH SAID ROLLER IS CONTIGUOUS SAID CAPSTAN TO EFFECT TRANSPORT OF SAID TAPE BY AID CAPSTAN; AND CAM FOLLOWER MEANS COOPERATING WITH AID FIRST CAN SURFACE FOR MOVING SAID ASSEMBLY FORM SAID REST POSITION TOWARD SAID OPERATING POSITION WITH A FORCE OF A FIRST MAGNITUDE AND COOPERATING WITH SAID SECOND CAM SURFACE FOR MAINTAINING SAID ASSEMBLY IN ITS OPERATING POSITION UNDER THE INFLUENCE OF A SECOND FORCE OF A MIGNITUDE SUBSTANTIALLY GREATER THAN SAID FIRST FORCE WHEREBY DAMGE INCIDENT TO MOVING SAID ASSEMBLY FROM SAID REST POSITIN TO SAID OPERATING POSITION IS PREVENTED.

References Cited (Backward Citations)

FR1044822A Cited
US2726048A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-08-09 1969-02-08 1969-08-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-08-09 1973-02-08 1973-08-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-08-09 1977-02-08 1977-08-10 $7700.00 Window Closed / Lapsed

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