Surface cleaning pad having zoned absorbency and method of making same
CA 2561470 C · Owner: Tyco Healthcare Retail Services Ag · Inventors: Glaug, Frank S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A floor cleaning pad is provided having a pad body comprising a cleaning surface configured for contact with a floor to be cleaned and an opposed surface configured to be coupled to a floor cleaning implement. The cleaning surface and the opposed surface defining a thickness of the pad body and superabsorbent polymer particles maintained within a zone of the pad body and the zone of the superabsorbent polymer particles occupying a portion of the thickness and an area less than an area of the cleaning surface.
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 September 28, 2006 and granted February 4, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 28, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.