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US3160704A Expired / Lapsed US ⏱️ 0.0 years remaining

Video tape recording

Assignee: Individual
•
Filing: 1959-06-17
•
Granted: 1964-12-08
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Expires: 1979-06-17
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Abstract

No abstract record available.

Inventors

  • 👤 Hollingsworth R Lee

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 11:16
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; H04N5/78; H04N5/782

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 116 words
IN A MAGNETIC RECORD-READOUT SYSTEM, MEANS COMPRISING A NON-MAGNETIC TAPE WITH STRAIGHT MAGNETIC MATERIAL LINES MOUNTED TRANSVERSELY THEREON, ELECTROMAGNETIC TRANSDUCER MEANS HAVING A RAZOR SHARP ELONGATED EDGE FORMING ONE POLE PIECE OF A RECORDING GAP AND PLACED BELOW SAID TAPE, THE OTHER POLE PIECE OF SAID ELECTROMAGNETIC TRANSDUCER MEANS HAVING A RAZOR SHARP ELONGATED EDGE AND PLACED ABOVE SAID TAPE, SAID POLE PIECE EDGES POSITIONED TO ANGULARLY TRAVERSE ONE OF SAID LINES BY LONGITUDINAL TAPE MOVEMENT BUT BEFORE LEAVING SAME SAID EDGES OF SAID GAP HAVE BEGUN TO TRAVERS THE NEXT ONE OF SAID LINES TO PROVIDE RECORDING AND READOUT CONTINUITY AS THE SAID TAPE MOVES LONGITUDINAL BETWEEN SAID FIRST AND SECOND ELONGATED RECORDING GAP EDGES.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-12-08 1968-06-08 1968-12-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-12-08 1972-06-08 1972-12-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-12-08 1976-06-08 1976-12-08 $7700.00 Window Closed / Lapsed

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