Mechanical support for biaxial extensometers
CA 2000833 A1 · Owner: Neale, Kenneth W. · Inventors: Thibodeau, Laurent; Makinde, Adegboyega; Neale, Kenneth W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A mechanical support is provided for mounting two axial strain sensing devices onto a plate test specimen subjected to a biaxial strain field. The preferred embodiment of the support comprises two sliding blocks mounted on guide rods in a generally rectangular frame. There are two of such frame assemblies. The two frames are attached together with the test specimen placed between them and with each pair of sliding blocks arranged in a direction perpendicular to the other. Each sliding block carries a cone-point screw for engaging the specimen and for establishing an initial gauge length. An axial extensometer mounted between each pair of blocks allows strain measurements along two …
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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 October 17, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 17, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 17, 2011.
- 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.