Gasket with pushrod retainer
CA 2542648 C · Owner: Welch, Christopher B. · Inventors: Knudsen, Julian R.; Welch, Christopher B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In an engine having a rocker member adapted to rock about an axis intermediate the rocker member and a pushrod extending from a lower body to an upper body and engaging an end of the rocker member a gasket for sealing the , lower , body to the upper body is provided. The gasket includes a sealing portion adapted to , substantially seal at least a portion of the upper body to the lower body and , a pushrod , support portion extending outwardly from the sealing portion adapted to engage the , pushrod. At least a portion of the pushrod support portion engaging the pushrod is , constructed from a material that is softer than the material of the pushrod.
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 November 4, 2004 and granted March 19, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 4, 2024.
- 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.