Method for rinsing fabric articles in a vertical axis washer
CA 2086067 A1 · Owner: Van Newenhizen, Jeanne C. · Inventors: Pastryk, Jim J.; Hardaway, Anthony H.; Kovich, Mark B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a method of rinsing fabric in a washer having a wash chamber rotatable about a vertical axis. Water is added to the wash chamber while rotating the wash chamber about its vertical axis a number of resolutions sufficient to cause the fabric, rinse water and wash chamber to rotate at approximately the same speed. The wash chamber is periodically decelerated to cause the fabric and rinse water to move relative to the wash chamber due to rotational inertia of the fabric and rinse water. The fabric is caused to tumble within the wash chamber as the wash chamber decelerates by impinging the fabric on structures in the wash chamber as the fabric is moving relative to …
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
- Filed December 22, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 22, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 22, 2014.
- 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.