Ball striking cue with self-locking conical joint
CA 2126836 A1 · Owner: Gendron, Luc · Inventors: Gendron, Luc; Gendron, Alain
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A ball striking cue comprises a butt, section a shaft section, and a self-locking joint for removably interconnecting the butt and shaft sections end to end. The joint includes the proximate end of the shaft section formed with a conical hole and the, proximate end of the butt section formed with a conical extension. These hole and extension constitute the unique point of contact between the butt and shaft sections. They have complementary shapes and the hole has smaller radial dimensions than the extension whereby the extension can be forced in the hole to press fit the extension in the hole and thereby removably interconnect the butt and shaft sections with a spacing between the bottom 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
- Filed June 27, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 27, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 27, 2016.
- 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.