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Expired Canadian patentCanada

A storage medium array controller, a storage medium array apparatus, a storage medium drive, a method of controlling a storage medium array, anda signal-bearing medium embodying aprogram of a storage medium array controller

CA 2533980 C · Owner: Nec Corporation · Inventors: Chikamichi, Shoichi

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 storage medium drive is controllable by a storage medium array controller. The, storage medium array controller receives a data storage medium drive information and the storage, medium array controller sets a data transmission parameter with respect to the storage medium, drive based on the data storage medium drive information.

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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

  • Filed January 25, 2006 and granted March 26, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 25, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • 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 25, 2006
GrantedMarch 26, 2013
Term endedJanuary 25, 2026
Patent numberCA 2533980 C
Classification (IPC)G11B19/20 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJan 25, 2006Patent grantedMarch 26, 2013Term endedJan 25, 2026

Sources & verification

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