Nonwoven metal and glass
CA 2278508 C · Owner: Foster, Richard P. · Inventors: Foster, Richard P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A glass and metal fiber material includes a web of nonwoven metal fibers and glass. The metal fibers of the web are joined by bubbles of glass to other metal fibers, of the web. The nonwoven metal fibers can be the same or different lengths and do not, need to be sintered. The material is flexible and capable of withstanding very high, temperatures. Spaces or voids between metal fibers allow embodiments of the material, to be porous. However, the voids can be completely or partially filled to alter the, porosity of the material. An exemplary method of making the glass and metal fiber, material in accordance with the invention includes the steps of juxtaposing metal fibers, with glass …
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 January 27, 1998 and granted September 30, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 27, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 27, 2020.
- 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.