Ridge vent apparatus
CA 2499557 C · Owner: Mantyla, James · Inventors: Olsen, Gordon F.; Parkinson, Rick; Broeders, Nicholas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A ridge ventilator for covering an open ridge of a roof while promoting ventilation of a space beneath the roof. The ridge ventilator has a sectional body having a first side and a second side a number of partitions extending across said body between said sides as well as a first end and a second end. The vent body has a width between said sides to permit said body to be laid over and cover an open ridge in a roof formed at the peak. The body also includes a recessed middle portion in a top face of the body the recess being sized and shaped to accommodate roofing cap shingles. The body also includes opposed raised and curved in side view, air foil side sections; which have a grill to permit …
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 7, 2005 and granted January 8, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 7, 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.