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Expired Canadian patentCanada

System for custom recording

CA 1341129 C · Owner: Bai Publishers, Inc. · Inventors: Scheffler, Robert G.

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A customized album recording system under the control of a central microprocessor or mini-computer. A mater library or storage medium is filled with a repertoire of recorded information items (such as musical selections) which may originate with any suitable source, such as phonograph records tapes, sound tracks, compact discs, or the like. Each information item is stored in the library under its own address. On read out, an operator keys in the addresses identifying the selected items which are read out of the library medium and stored in a large capacity memory usually to provide about forty-five minutes of total listening time. Then, all of the music is read out of that large capacity …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted October 24, 2000. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 24, 2017.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 5, 1988
GrantedOctober 24, 2000
Term endedOctober 24, 2017
Patent numberCA 1341129 C
Classification (IPC)G11B27/02

Timeline

Timeline From CIPO dates

1989199219951998200120042007201020132016Application filedJan 5, 1988Patent grantedOct 24, 2000Term endedOct 24, 2017

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.