Rotational speed probe
CA 2036047 C · Owner: Cottam, Michael John · Inventors: Cottam, Michael John; Morris, Philip Arthur
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A probe transducer subassembly for a rotational speed sensor assembly is provided. A probe body (1) has a transducer portion (14) extending through an opening (19) into the interior of housing for electromagnetic cooperation with an exciter rotor, a distal portion (15) carrying connection devices extending therefrom and an enlarged diameter intermediate portion defining inwardly and outwardly facing shoulders. The shoulders cooperate with the exterior surface of the housing surrounding the opening and a shoulder in a shroud member (2) to axially position the probe in the housing and allow the probe to be clamped between the housing and the shroud.
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 February 8, 1991 and granted December 30, 1997. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 8, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 8, 2013.
- 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.