Blade of hockey stick and other composite reinforced structure
CA 1063747 A · Owner: Tessier, Joseph D.L. · Inventors: Goupil, Marcel; Ruel, Marc; Tessier, Joseph D.L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A non-wooden blade of hockey stick which is particularly adapted to at least match the advantages of the wooden blade of the hockey stick now used by the professional hockey player in particular, the resilience, impact resistance and relative weight or density. This non-wooden blade is characterized by a core of a syntactic foam composition which is particularly suited to produce a blade and a hockey stick having the desired characteristics and which forms a blade in cooperation with a pair of outer fiberglass laminations having a majority of fibers extending lengthwise of the blade. This core is made of thermoset polyester or epoxy resin with hollow microspheres of phenolic plastic or …
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 October 2, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 2, 1996.
- 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.