One-piece agitator with clothes lifting cams
CA 1086089 A · Owner: Whirlpool Corporation · Inventors: Platt, Clark I.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An agitator for a vertical-axis automatic clothes washing machine has a plurality of vanes extending upwardly from a skirt thereof. A corresponding plurality of crescentshaped, lobe-like cams projects outwardly and upwardly from a periphery of the skirt between the pairs of agitator vanes. Each cam extends approximately 33° upwardly from the horizontal and is geometrically defined by two edges forming a segment of the surface of a cone coaxial with the agitator. The inner edge of each cam has the radius of the circular perimeter of the agitator skirt with which the edge is colinear; the upper edge has a somewhat smaller radius. Lower vertical flat vane portions extend radially and upon …
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 September 23, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 23, 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.