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Expired Canadian patentCanada

Wiper arm assembly for motor vehicles

CA 1293598 C · Owner: Champion Spark Plug Europe S.A. · Inventors: Guerard, Norbert

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

A C T, (Fig. 4), The invention relates to a wiper arm assembly for motor vehicles comprising an oscillating mounting head (1) a rod (2) rigidly secured, to the mounting head (1) a slidable element (3) pivotally (12), secured to a channel (4) and arm extension (7) and capable of sliding on said rod (2). Inside the channel (4) spring means are provided which are capable of biasing the arm extension (7) towards the surface to be wiped. A stationary bar (8) is rigidly attached to the vehicle body and a movable bar (9) is pivotally secured (10) to the stationary bar (8) at one of its ends and pivotally secured (11) to the slidable element (3) at the other of its ends. When the mounting head (1) …

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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 December 31, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 31, 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.
FiledApril 15, 1988
GrantedDecember 31, 1991
Term endedDecember 31, 2008
Patent numberCA 1293598 C
Classification (IPC)B60S1/36

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedApril 15, 1988Patent grantedDec 31, 1991Term endedDec 31, 2008

Sources & verification

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