The perfect putt
CA 2356593 A1 · Owner: Walker, Edward D. · Inventors: Walker, Edward D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention is designed as a training guide to master the skill of putting using the Pendulum, Stroke. Many golfers often have a difficult time mastering the concept of effective putting, because they, fail to;, .cndot. Keep the putter head square to the ball at impact. .cndot. Allow the left wrist to break down at impact (left wrist for righthanded golfer, right, wrist for left handed golfer.) This problem causes the putter head to behave erratically. .cndot. Judge distance correctly. Many golfers take the club back too far and then decelerate, in the downswing and then jab at the ball with almost no follow through. The Perfect Putt addresses all of these problems and teaches the …
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 August 10, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 10, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 10, 2023.
- 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.