Scrubber pad
CA 1323967 C · Owner: Aszman, Harry W. · Inventors: Aszman, Harry W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A scrubber pad preferably of flat rectangular parallelpiped-shaped characterized by good cleaning properties, safety to surfaces, and soap retention prepared, by, selecting a polyester polyurethane foam having the desired density and porosity, binding a polyesters spun bonded non-woven material to one side of said foam impregnating the foam with a detergent formulation containing alkyl aryl sulfonate, sodium carbonate magnesium, sulfate and sodium sulfate, perfume and water. Cutting the impregnated product into pads of the desired shape and size and sealing the edges of the pads by application of an adhesive.
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 November 9, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 9, 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.