Panel device
CA 1189728 A · Owner: Saum Enterprises, Inc. · Inventors: Saum, Arthur M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a panel device for use in measuring the magnitude of air infiltration in a building and which may be used to seal the space between the inner surfaces of an opening such as a door and a fan device which generates and measures air flows. The device includes a rigid generally planar frame which is adjustable in shape to conform closely with the inside surfaces of the opening over part of its peripheral length, and one or more auxiliary corner inserts shaped to fit the areas excluded by the frame. An elastically deformable sealing means is provided around the outer periphery of the frame, and a thin flexible, generally air-impermeable membrane extends out to the periphery of the …
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 July 2, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 2, 2002.
- 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.