Iron-type golf clubhead
CA 2197288 C · Owner: Benetton Sportsystem Active North America, Inc. · Inventors: Meyer, Dean E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An iron-type golf clubhead includes a blade a, hosel, and a junction. The blade includes a rearwardly facing blade cavity, and the junction includes a rearwardly facing junction cavity that is coextensive with the blade cavity. A graduated weight pad is located within the blade cavity and preferably has a height, in a direction perpendicular to the blade face, that varies in a toe-to-heel direction, and which may also vary from the top to the bottom of the club. The junction cavity may also include a negative weight cutout that extends below the junction cavity floor and that represents a continuation of the profile of the weight pad, in effect forming a negative weight pad. The junction …
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 February 10, 1997 and granted December 30, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 10, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 10, 2019.
- 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.