Thermal transfer bag
CA 1306795 C · Owner: Hesselroth, David Albert · Inventors: Hesselroth, David Albert; Stein, Ralph John, Jr.; Danielson, Richard Dale
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A thermal transfer means comprising a flexible bag or pouch filled with a chemically inert, electrically nonconductive nonflammable, essentially gas-free, thermally stable thermally conductive, body of liquid comprising fluorochemical liquid. Said bag is fabricated from a flexible, durable plastic film that has low permeability to air and the fluorochemical liquid. The configuration of the bag is conformable to adapt to the geometry of the space, formed between the surface of a heat generating component or components and the surface of a heat sink into which the bag is inserted, thereby contacting said surfaces and providing a thermal conduction path for heat …
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
- Granted August 25, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 25, 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.