Corner fastening element
CA 2266254 A1 · Owner: Coulter, Greg J. · Inventors: Bullock, Robert E.; Coulter, Greg J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A corner fastening element is disclosed for fastening a miter joint defined by abutting, angular ends of two angularly disposed hollow rails of a frame structure. The corner fastening, element comprises two legs joined at right angles to one another each leg , comprising an inner, wall and an opposing outer wall which are spaced apart by a distance sufficient to allow the legs, to be easily inserted into the rails. The inner walls have a portion proximal to the inner corner of, the miter joint which is rigidly secured against movement preferably by one , or more webs which connect the proximal portions of the inner walls to the outer walls and a , distal portion which is, adapted to be …
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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 March 22, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 22, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 22, 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.