Indexable spherical seat cutter
CA 2073364 C · Owner: J.P. Tool, Inc. · Inventors: Peuterbaugh, Bruce G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A rotatable cutting tool for cutting a spherical seat carries a plurality of indexable cutting inserts at the front end of the cutter body. The inserts are locate in pockets and retained in the pockets by respective retainer members mounted on the body and overlying the exposed face of the insert. A reduced diameter section at the rearward end of the cutter body is dimensional to be rotatably received in a bore extending through a plate-like hanger. A retainer plate is cooperable with headed cap screws projecting from the rear end of the reduced diameter section of the body to constitute a quick disconnect coupling for rapid mounting and dismounting of the cutter upon its hanger. The …
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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 July 8, 1992 and granted September 28, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 8, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 8, 2014.
- 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.