Ceramic armor reinforced with high-strength fibers and ballistic resistant articles formed from said armor
CA 2072639 A1 · Owner: Debona, Bruce T. · Inventors: Debona, Bruce T.; Kwon, Young D.; Prevorsek, Dusan C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
Ballistic resistant article comprised of a substrate selected from the group consisting of hard rigid layers and layers comprising a network of high-strength filaments in a matrix and at least one ballistic resistant ceramic body on the surface of the substrate, having at least one girdle encircling the body about an axis thereof said girdle comprised of said filaments.
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.
Why it's free to use
- Filed November 1, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 1, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 1, 2012.
- 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.