High temperature insulation
CA 2005329 A1 · Owner: Rockwool International A/S · Inventors: KAMSTRUP-LARSEN, JõRGEN
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method of heat insulating a surface of a high temperature. Abstract of the Disclosure A method of heat insulating surfaces of a high temperature comprising mounting a shell at a distance from the surface to be insulated and packing the space between the surface and the shell with separate insulation elements, each element consisting of a cover of a heat resistant material and containing loose mineral fibre material.
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 December 13, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 13, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 13, 2011.
- 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.