Composite bat with metal barrel area and method of fabrication
CA 2195172 A1 · Owner: Spalding Sports Worldwide, Inc. · Inventors: Kennedy, Thomas; Feeney, Brian
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A ball bat comprising a bat frame in a generally cylindrical configuration. The bat has an essentially cylindrical hitting area and a handle area remote from the hitting area and with a tapering transition zone therebetween. The bat frame is fabricated of a composite material of fibers in a matrix binder. A cylindrical recess is formed in the hitting area and has an annular inner face and parallel end faces at the ends of the recess. An annular insert metal with an interior cylindrical surface is in contact with the inner face of the recess and with parallel end faces in contact with the end faces of the recess and a cylindrical exterior surface essentially flush with the portions of 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 January 15, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 15, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 15, 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.