Hockey stick
CA 2071859 A1 · Owner: Motley Manufacturing Agencies Pty. Ltd. · Inventors: Motley, Geoffrey P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hockey stick (1) comprised on a head (2) a stem (3), a handle , (4) and a bead (5) showing a division between the parts 3 and 4. The stem (3) includes a slot (6) substantially between the bead (5) and the head (2). The hockey stick is formed by injection moulding a foamed thermoplastics material usually glass fibre, reinforced nylon, such that the density through the head and stem is greater in an outer skin region than in a region contained by the outer skin. The foamed thermoplastic material is formed by the inclusion of a foaming or blowing agent within the plastic material before injection into the mould and the foamed plastics material is held under substantive pressure which is …
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 December 7, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 7, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 7, 2012.
- 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.