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Expired Canadian patentCanada

Windshield wiper restraint device

CA 1084217 A · Owner: Caterpillar Tractor Co. · Inventors: Lawrence, Dean M.

CIPO record

Overview

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

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Abstract From the Canadian patent

Abstract of the Disclosure Restraint device for holding a windshield wiper assembly in a stored nonoperating position against inadvertent movement of the windshield wiper assembly and particularly the windshield wiper blade in directions normal to its usual path of wiping movement even in the absense of the windshield from its usual shielding position.

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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 August 26, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 26, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 20, 1978
GrantedAugust 26, 1980
Term endedAugust 26, 1997
Patent numberCA 1084217 A
Classification (IPC)B60S1/04 +1 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedJune 20, 1978Patent grantedAug 26, 1980Term endedAug 26, 1997

Sources & verification

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