Air-duct connecting section with seal
CA 1278596 C · Owner: Schauer, Markfried · Inventors: Schauer, Markfried
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A flange for connecting two air ducts to one another has a pair of spaced, generally parallel walls and a pair of spaced, generally parallel legs fast with and extending, perpendicular to, the walls. The flange legs are designed to embrace and grip a wall of an air duct while the flange walls define a chamber adapted to receive one leg of an angle serving to connect the flange to a neighboring flange. One of the flange legs is plastically deformed so as to define a cavity and has a surface facing the other flange leg. The cavity is open to this surface and accommodates an elastomeric seal which projects from the cavity to a location beyond the surface. The seal is elastically compressed in …
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 January 2, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 2, 2008.
- 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.