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Expired Canadian patentCanada

Adjustable spacers for supporting rear window glass in an automobile

CA 1298331 C · Owner: Stevens, William T. · Inventors: Stevens, William T.

CIPO record

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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 method and apparatus is disclosed for accurately positioning a window glass panel within the frame of an automobile. The method consists of placing two spacer elements on the vehicle frame and setting the window glass against a support surface formed on the spacer elements. Caulking is placed upon the automobile frame around the window opening and the window glass is placed on the caulking. The spacer elements are adjustable so as to accommodate various manufacturing tolerances and still adequately support the window glass. The spacer element disclosed by the present invention is a one-piece plastic item that can be riveted to the vehicle frame and has a top portion that is received …

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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 March 31, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 31, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 1, 1988
GrantedMarch 31, 1992
Term endedMarch 31, 2009
Patent numberCA 1298331 C
Classification (IPC)B60J1/00

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedDec 1, 1988Patent grantedMarch 31, 1992Term endedMarch 31, 2009

Sources & verification

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