Windshield wiper arm
CA 1079908 A · Owner: Sprague Devices · Inventors: Jaske, Robert F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A windshield wiper arm is formed of a single metal blank bent to different cross sectional configurations along its length to strengthen and reinforce it, and including a long substantially tubular portion intermediate its ends. A windshield washer nozzle is mounted at the free end of the arm and is supplied by an elongated liquid tube concealed and protected within the arm by the tubular portion of the arm by the coil spring urging the arm toward the windshield.
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 June 24, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 24, 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.
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.