Golf swing analysis method and apparatus
CA 2210946 A1 · Owner: Kowalski, Henry C. · Inventors: Kowalski, Henry C.; Weber, Leo L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Analysis of a golfer's swing is effected by the golfer's swinging a club which has sensors fixed to the club shaft in such manner as to sense torsion of the shaft and flexing of the shaft in a direction corresponding to the direction of the swing pattern and perpendicular to the swing path. At selected times during the swing when the torsional and flexing forces are at predetermined values a camera is, activated to photograph the golfer in the position he or she occupies at the instant each photograph is taken. The golfer then is enabled to see the position of his or her head shoulders, hips, legs, arms, and hands at the time of each photograph and an instructor is enabled to concentrate on …
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 July 18, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 18, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 18, 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.