Electronically triggered surface sensor unit
CA 2336420 A1 · Owner: Fisher, David · Inventors: Fisher, David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A surface sensor unit and method therefore for controlling the penetration depth of a cutting tool of a numerically controlled machine and a method for controlling the penetration depth of a cutting tool of a numerically controlled machine are described. The surface sensor unit comprises: a substantially cylindrical collar extending around at least part of the cutting tool, said collar being axially movable with respect to the axis of rotation of the cutting tool; an electronic sensor secured to a non-rotatable housing of the numerically controlled machine, said sensor being capable of communicating or having a communication device connected thereto said sensor , being situated …
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 June 30, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 30, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 30, 2021.
- 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.