Window structure, a hinge and a latch suitable for it and a cover profile for said structure
CA 1268378 C · Owner: Lemminkainen Oy · Inventors: Pesola, Jussi; Karhu, Niilo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to obturating structures comprising a frame capable of being secured to any opening and, hinges (3) and latches (2) fitted in the frame. The frame is preferably made up of aluminum members (1) having the same crosssection all around the frame. The interior has the shape of an open bore (4). Each hinge (3) and latch (2) are fitted in their respective bore (4), in which they are secured rotatably without any fastening means, a pane is secured in a notch in the hinge. The latch is fitted to turn to a locking position and a releasing position. Both the hinges and the latches can be simply pressed into the open tube and be removed from it with out dismantling 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 May 1, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 1, 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.