Ballistic resistant composite armor having improved multiple-hit capability
CA 2072748 A1 · Owner: Chin, Hong B. · Inventors: Kwon, Young D.; Lem, Kwok W.; Chin, Hong B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
A multilayer armor (40) comprising a hard ceramic impact layer (12), a vibration isolating layer (14) position adjacent to said hard impact layer (12) and in contract therewith and a backing, layer (16) attached to said vibration isolating layer (14) on the side opposite the side thereof attached to the hard impact layer (12).
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 7, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 7, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 7, 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.