Auto electric tester
CA 2019589 C · Owner: Bokitch, Dennis J. · Inventors: Bokitch, Dennis J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An auto electric tester has been provided that is simpler in construction, easier to manufacture and can expedite the location of several electrical problems more easily than all known prior art. The tester comprises a casing circuitry, mounted within the casing, four electrical conductors extending from the casing and connected to the circuitry. The circuitry comprises a full-wave bridge rectifier connected to a first two of the conductors, a relay connected across the bridge so that current flowing in the two conductors in either direction to the bridge can activate the relay, a first circuit tap made between the bridge and relay extends to a third one of the conductors and includes in …
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 22, 1990 and granted September 13, 1994. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 22, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 22, 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.