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US3588376A Expired / Lapsed US ⏱️ 0.0 years remaining

Dictating machine with means to prevent recording on previously recorded tape

Assignee: SUB ATLAS WERKE GmbH
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Filing: 1967-08-24
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Granted: 1971-06-28
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Expires: 1987-08-24
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Abstract

Abstract A DICTATING MACHINE ADAPTED TO RECEIVE A MAGNETIC RECORDING MEDIUM CARRIER AND HAVING A TRANSDUCER AND MEANS ASSOCIATED WITH THE TRANSDUCER FOR RECORDING AND PLAYING BACK FROM THE RECORDING MEDIUM, RESPECTIVELY. THE DICTATING MACHINE ALSO INCLUDES MEANS FOR LIMITING THE MACHINE TO ITS PLAYBACK MODE OF OPERATION FOR A FIXED TIME INTERVAL AT THE BEGINNING OF THE RECORDING TAPE TO DETERMINE WHETHER OR NOT INFORMATION IS RECORDED THEREON.

Inventors

  • 👤 Carl-Heinz Jeske
  • 👤 William E Johnston

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 12:49
CPC Classifications
G; G11; G11B; G11B5/00

Claims Analysis

Total Claims: 0
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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) 1974-06-27 1974-12-27 1975-06-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-06-27 1978-12-27 1979-06-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-06-27 1982-12-27 1983-06-28 $7700.00 Window Closed / Lapsed

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