Duster-polisher made of plastic film
CA 1210553 A · Owner: Gosho & Co. Ltd. · Inventors: Omori, Shogo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A duster-polisher having at least one pocket with or without bottom, made of plastic film one face thereof, being coated with a pressure sensitive adhesive to define a dust collecting adhesive layer, which is in turn, protected with a back face of a polisher with an, alienating adhesive layer interposed therebetween. The polisher may be a sheet of plastic film or a pocket with or without bottom made of plastic film one face thereof, being flat and smooth to serve as a protector film for the dust catching adhesive layer, whereas the other face soft, rough and preferably spongy to serve as a polisher face.
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 2, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 2, 2003.
- 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.