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Expired Canadian patentCanada

Computer workstation

CA 2024112 C · Owner: Ball, Douglas · Inventors: Ball, Douglas

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A workstation for providing a relatively isolated environment suitable for human to interface during long time periods with a computer through a display screen. The space partition assembly comprises an elongated canopy defining a working area dimensioned to accomodate a user adopting a reclining posture. The canopy also includes at one end thereof an entryway to allow access to the working area by means of a sliding seat supporting the user. On the back of the seat is provided a large panel which at least partially closes the entryway when the working area is occupied by the user to reduce disturbances such as noise or light from reaching the working area.

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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 August 28, 1990 and granted July 26, 1994. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 28, 2010.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 28, 2012.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 28, 1990
GrantedJuly 26, 1994
Term endedAugust 28, 2010
Patent numberCA 2024112 C
Classification (IPC)A47B97/00 +2 more

Timeline

Timeline From CIPO dates

1991199319951997199920012003200520072009Application filedAug 28, 1990Patent grantedJuly 26, 1994Term endedAug 28, 2010

Sources & verification

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