Patent Yard Sign in
Expired Canadian patentCanada

Windshield wiper device for use in vehicles

CA 1291852 C · Owner: Mitsuba Electric Mfg. Co. Ltd. · Inventors: Shirato, Masayoshi

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

There is disclosed a windshield wiper device for wiping the window glass of an automotive vehicle. The windshield wiper includes: an arm head a retainer, an, arm spring, and a wiper blade. The arm head is adapted to be fixed to the wiper shaft of the vehicle so as to oscillate about an axis of oscillation. The retainer is pivotally connected to the arm head for movement about a pivot axis extending perpendicularly to the axis of oscillation. The arm spring is interposed between the arm head and the retainer member to urge the retainer member toward the window glass upon the fixation of the arm head to the wiper shaft. The arm piece is disposed perpendicularly to the pivot axis and is …

Read the whole patent

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 November 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 12, 2008.
  • 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 15, 1988
GrantedNovember 12, 1991
Term endedNovember 12, 2008
Patent numberCA 1291852 C
Classification (IPC)B60S1/34

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedJune 15, 1988Patent grantedNov 12, 1991Term endedNov 12, 2008

Sources & verification

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