Method and device for washing laundry in a machine with a particulate product
CA 1325112 C · Owner: The Procter & Gamble Company · Inventors: Schumann, Karl Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method and device for washing laundry in a machine with a particulate product", Method for washing laundry in a machine according to which a metering and diffusing device of a reusable type is filled with a particulate product which is active during washing this device is placed in the machine with the laundry to be washed and then washing is performed in the usual manner. A device is used which comprises a flexible bag mounted on a ring 51 made from plastic material (polypropylene) for example with radial walls 53 in the shape of a helix providing openings 57 The product (detergent) is dissolved progressively and in practice does not merge from the device in solid form. FIGURE 5
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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 December 14, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 14, 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.