Improved locator and shutter slat
CA 2563971 C · Owner: Qmi Roll Shutter Supply · Inventors: Miller, James V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A rolling shutter and a slat for use in a rolling shutter are provided. The slat comprises an engaging track located at a first edge and a receptacle track located at a second edge. Illustratively the engaging track has a hook-, shaped profile and is disposed at an acute angle relative to an adjacent part of the body portion, is disposed at an angle of less than 180~ relative to a vertical axis of the slat, or has a hook-shaped profile that curves for more than 180~, and the receptacle track comprises a lip and a guard defining a space adapted to receive therein an engaging track of an adjacent slat.
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
- Filed March 17, 2005 and granted November 6, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 17, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.