Cap
CA 2292156 A1 · Owner: Hayashi, Hiroyuki · Inventors: Hayashi, Hiroyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cap has a plurality of main elements the, side of which are connected to one another each, of the main elements being in the shape of an approximately isosceles triangle having no top portion or an approximately sector having no top portion. A top element in the shape of a dome or a flat and poygon or the like is connected to said main elements. The cap has two recesses or concave portions formed at lower portions of the main elements. At least one adhesive tape is attached on the outer surface of a lower portion of at least one of the main elements, an adhesive surface being formed on the outer surface of the adhesive tape. At least a portion of the top element and the main elements is …
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 December 14, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 14, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 14, 2021.
- 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.