Vertical axis motor-pump assembly for clothes washing machine
CA 1308961 C · Owner: Wasemann, William A. · Inventors: Wasemann, William A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A motor-pump assembly for an agitator-type clothes washing machine includes a motor with a vertical drive shaft having upper and lower ends that extend above and below the top and bottom end bells of the motor casing. The lower end of the drive shaft carries a pulley for rotating the input shaft of a belt driven transmission actuating an associated agitator and spin tub. The upper end of the drive shaft carries a water pump impeller contained within a pump casing that rests on a dishlike drip shield, the shield in turn resting on the top end bell of the motor casing. The pump casing the drip, shield, and the top end bell of the motor casing are maintained in vertical alignment with each …
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 October 20, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 20, 2009.
- 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.