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Expired Canadian patentCanada

Rattle-resistant gearshift position indicator

CA 1313475 C · Owner: Emerson Electric Co. · Inventors: Richmond, James W.

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

An indicator housing has a window in it and an aperature for passing a gearshift lever through it. There is a light guide having indicia on it which are viewable in the window, an indicating member and a metal tape connecting, the indicating member to the gearshift lever and supporting it for movement along a first axis parallel to the light guide over a range that permits it to be visually aligned in the window with the indicia to indicate the lever position. The indicating member includes a surface at a 45° angle to the first axis. A wire spring has two ends attached to the indicating member and a V-shaped portion between the ends. The end of the V engages the housing and forces the sides …

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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 February 9, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 9, 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.
FiledJuly 10, 1989
GrantedFebruary 9, 1993
Term endedFebruary 9, 2010
Patent numberCA 1313475 C
Classification (IPC)B60K20/04 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedJuly 10, 1989Patent grantedFeb 9, 1993Term endedFeb 9, 2010

Sources & verification

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