Composite material including reinforcing mineral fibers embedded in matrix metal
CA 1237918 A · Owner: Toyota Jidosha Kabushiki Kaisha · Inventors: Kubo, Masahiro; Tatematsu, Yoshiaki; Dohnomoto, Tadashi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A composite material including reinforcing fiber material with principal components SiO2 and/or CaO and/or Al2O3 and with a Mg, content by weight of between about 0% and about 10% an Fe2O3 content, by weight of between about 0% and about 5% and a content by weight of, other inorganic substances of between about 0% and about 10% and consisting essentially of mineral fibers and non fibrous particles to a total percentage of not more than about 20% by weight the weight percentage, of the part of the non fibrous particles which have a diameter of greater than or equal to about 150 microns being between about 0% and about 7%. Also the composite material includes a matrix metal selected from the …
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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
- Granted June 14, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 14, 2005.
- 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.