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Expired Canadian patentCanada

Wrist support for use with an office machine having a keyboard

CA 1185583 A · Owner: Wright Line Inc. · Inventors: Latino, Richard M.; Crabbe, David K.

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

Disclosed and claimed is an adjustable wrist support for use with an office machine having a keyboard. The wrist support comprising a base a support disposed, for further movement relative to said base and a rotatable knob fixedly connected to the base and in threaded engagement with said support base. Rotation of the knob raises or lowers the support relative to the base.

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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 April 16, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 16, 2002.
  • 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 13, 1982
GrantedApril 16, 1985
Term endedApril 16, 2002
Patent numberCA 1185583 A
Classification (IPC)A47B97/00 +1 more

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedMay 13, 1982Patent grantedApril 16, 1985Term endedApril 16, 2002

Sources & verification

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