Winter wiper blade
CA 1263803 C · Owner: Epicor Industries, Inc. · Inventors: Sharp, Bernard C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A winter wiper blade consists of an articulated plastic frame, a rubber boot enclosing the frame and an external wiper blade element. The frame consists of a primary yoke and pairs of pivotable center and end yokes, each having a respective claw thereon for support of a backing strip in turn slotted to, receive the anchoring bead of the rubber wiper element. A pair of end caps, each having spring arms thereon and a further claw are adapted for interlocking engagement in a groove at the outer end of the end yoke to support the tip of the wiper element Each end cap includes extensive surface area to engage and seal with a conforming shaped end channel portion of the rubber boot. A u-shaped …
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 December 12, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 12, 2006.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.