Vacuum insulation system and method of manufacture
CA 1265670 C · Owner: Acharya, Arun · Inventors: Acharya, Arun; Nowobilski, Jeffert John; Patterson, Michael Frederick
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An insulation system, and method of fabricating insulating means, comprising insulating material having good heat transfer resistance at pressures between 1 and 500 microns of mercury and, hydrophobic molecular sieve adsorbent having a water capacity of less than 12 percent. D-14659
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 February 13, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 13, 2007.
- 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.