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Expired Canadian patentCanada

Apparatus for and methods of addressing data storage elements

CA 1322258 C · Owner: Buzak, Thomas S. · Inventors: Buzak, Thomas S.

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Abstract From the Canadian patent

Abstract of the Disclosure An apparatus for and a method of addressing data storage elements (16) employs an ionizable gas to address the storage elements for storing data in and reading data out of them. The storage elements are defined by the overlapping areas of multiple column electrodes (18) extending in a common direction on a first substrate (48) and multiple channels (20) extending in a common direction on a second substrate (54). A layer of dielectric material (46) separates the first and the second substrates, which are positioned face-to-face and spaced-apart with the direction of the channels transverse to that of the column electrodes. Each of the channels is filled with an …

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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 September 14, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 14, 2010.
  • 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 6, 1989
GrantedSeptember 14, 1993
Term endedSeptember 14, 2010
Patent numberCA 1322258 C
Classification (IPC)G09G3/36 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedJan 6, 1989Patent grantedSep 14, 1993Term endedSep 14, 2010

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