Heat sink
CA 2042259 A1 · Owner: Jayamanne, D. Anthony R. · Inventors: Jayamanne, D. Anthony R.; Hall, Stephen S.; Cozzi, Agostino
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Mounted on a circuit board in close proximity to nearby circuit components, a novel heat sink is configured to provide unobstructed tool access to one or more heat producing devices attached thereto. The heat sink includes a massive body member fastened to the circuit board a support member, upstanding from the body member and a radiator member formed integrally with both the support and body members for releasing heat to the environment. One or more mounting surfaces form part of the body member and are provided for mechanically attaching the heat producing devices to the heat sink with good thermal contact. Each mounting surface is inclined with respect to the circuit board such that any …
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 May 9, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 9, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 9, 2013.
- 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.