Stitched nonwoven dust-cloth
CA 1279981 C · Owner: E.I. Du Pont De Nemours And Company · Inventors: Zafiroglu, Dimitri Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
TITLE, Stitched Nonwoven Dust-cloth, ABSTRACT A nonwoven fabric comprises a layer of substantially nonbonded layer of textile-decitex fiber. The layer is multi-needle stitched with an elastic stitching thread which causes the fabric to contract to less than 40%, preferably to 30 to 20% of its original, area. The nonwoven fabric is particularly suited for use as a dust-cloth.
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 February 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 12, 2008.
- 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.