Turnable window arrangement
CA 1304424 C · Owner: Flakk, Egil · Inventors: Flakk, Egil
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
16-, Abstract, A turnable window arrangement has a window sash to be rotated about a horizontal axis through approximately 180° relative to a window frame. The window frame is provided with a separately removable air screening filter secured to the frame in a position inside the swinging path of the sash. A link arm mechanism is arranged to lock the sash in different positions between completely closed and opened venting positions. The mechanism comprises a socket member connected to the sash and a link arm pivotally mounted at the outer end of a support arm protruding from the socket member. A pivoting of the link arm is allowed about a first axis extending laterally of the support arm. …
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 June 30, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 30, 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.