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Expired Canadian patentCanada

Head assembly for rotating storage device

CA 1329261 C · Owner: Quantum Corporation · Inventors: Spash, John L.

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 slider bearing (i) a head for accessing information on a rotating medium and (ii) conductive terminals for the head, is designed with the conductive terminals mounted on the largest surface of the slider that is not the surface closest to the rotating medium; or on a surface of the slider parallel to the surface closest to the rotating medium; or the terminals and the head are mounted on different surfaces of the slider. In another aspect an apparatus for supporting, on an arm a head for accessing information on a, rotating medium comprises a slider on which the head is mounted in a position for accessing the information the, slider bearing conductive terminals electrically connected to …

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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 May 3, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 19, 1989
GrantedMay 3, 1994
Term endedMay 3, 2011
Patent numberCA 1329261 C
Classification (IPC)G11B5/60

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedMay 19, 1989Patent grantedMay 3, 1994Term endedMay 3, 2011

Sources & verification

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