Protective box for electronic circuits hardened with respect to x-rays
CA 1298700 C · Owner: Gadbin, Michel · Inventors: Bourcereau, Jean; Gadbin, Michel; Valy, Yves
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Protective box for electronic circuits hardened with respect to X-rays. The protective box comprises a base and a cover fixed to the base, formed from a rigid mechanical structure constituted by a composite material formed by a fibrereinforced resin, an X-ray protection material partly covering the outer surface of the mechanical structure said X-ray protection material being formed by a resin matrix containing a powder of a metal with an atomic number at least equal to 47 and with a melting point at least equal to 630°C, a material formed from an element with a low atomic number forming the outer surface of the cover and optionally a good electricity conducting material covering the inner …
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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 April 14, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 14, 2009.
- 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.