Easily applicable adhesive sheet and method for producing the same
CA 2460248 A1 · Owner: Lintec Corporation · Inventors: Wakasa, Takehiko; Sakurai, Satoshi; Tsuzuki, Fumiaki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An easily stuck adhesive sheet from under which the air easily escapes when stuck to an object, so that it can be easily attached cleanly in an excellent adhesion, and a method for manufacturing the adhesive sheet. The easily stuck adhesive sheet is provided on the surface of a base sheet with an adhesive layer having such taper grooves in an oblique lattice shape extending obliquely with respect to the direction of bonding and open at the edge of the base sheet. In the adhesive layer, the area of flat portions is 50 to 90 % the grooves have a cut angle of 20 to 75 degrees with respect to the flat portions, and the grooves have an top face opening width of 10 to 80 microns and a …
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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
- Filed September 14, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 14, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 14, 2023.
- 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.