Windshield wiper
CA 1316307 C · Owner: Nippon Wiperblade Co. Ltd. · Inventors: Arai, Masaru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wiper device having an oscillator for applying high frequency small amplitude vibration which is actuated in response to the motion of the wiper device. The movement of the wiperblade is forcibly added to the high frequency repetitions of stick and slip conditions thus, the chattering phenomenon of the wiperblade is suppressed, and the striped pattern on the windshield is prevented.
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 April 20, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 20, 2010.
- 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.