Structurally-improved racket handle
CA 1307548 C · Owner: Lai, Genhone · Inventors: Lai, Genhone
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a structurally-improved racket handle designed to increase the area of the palm in contact with the racket handle thereby allowing a better grip than presently available racket handles. This affords greater power transfer while returning serves volleying, serving, and other strokes due to the provision of an oblique surface 11 cm. in length that extends from the bottom end of the racket handle in alignment with its central axis and is beleved from the butt in a graduated constant, or curved manner. The resulting graduated constant, or curved surfaces yields a naturally formed wedge-shaped edge that fits snugly into the muscles and bones of the palm and muscles of …
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
- Granted September 15, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 15, 2009.
- 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.