Window structure
CA 1298518 C · Owner: Camara, Octavio M. · Inventors: Camara, Octavio M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is disclosed a window unit comprising a frame, a sash mounted in the frame for movement between a closed position adjacent the frame to an open position in which a space is defined between the sash and the frame a recess in the frame, adjacent the sash and screen means attached to the sash and dimensioned to fill the space when the sash is in the open position.
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 April 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 7, 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.