Adhesive fastener article
CA 1091902 A · Owner: Illinois Tool Works Inc. · Inventors: Kobetsky, Robert G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure This invention relates generally to an adhesive fastening device for securing a secondary workpiece to a primary work surface. The device includes a plate-like base of ferromagnetic material having a substantially uniform predetermined cross-sectional thickness and carries a fastening element on the upper surface thereof and a layer of heat activatable adhesive on the undersurface thereof. A plurality of protuberance means of limited height and limited surface area are formed upwardly from the base with the protuberance means being located in a pair of laterally spaced, parallel lines. Each line is closely adjacent to the perimeter of the layer of heat activatable …
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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 23, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 23, 1997.
- 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.