A snare strainer for a drum
CA 2174381 C · Owner: Nickel, Gregory L. · Inventors: Nickel, Gregory L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A snare strainer for a drum. The snare strainer includes a cylindrical tube which is mounted on the shell of a drum. A piston is installed in the cylindrical tube for slidable movement between a first position in which the snares are positioned against the head of the drum and a second position in which the snares are moved away from the head of the drum. The snare strainer includes a handle pivotally mounted on the cylindrical tube which is connected to a cross member engaging the piston by a link. The link is pivotally connected at one end to the cross member and at its opposite end to a pivotal connection of said handle. The pivotal connections are positioned so that rotation 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 April 17, 1996 and granted August 1, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 17, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 17, 2018.
- 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.