Measuring electrode
CA 2049076 A1 · Owner: Borisovich, Rubin L. · Inventors: Borisovich, Rubin L.; Borisovich, Rubin L.; Grigorevich, Untila G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, A measuring electrode (1) for making an electric contact with an object, in particular a semiconductor body (2) comprises, an electrically conductive liquid said liquid contacting the, surface of the object via capillaries of a capillary material, said capillaries debouching at said surface. According to the invention the whole electrode body consists of capillary material, said material being fillable by an electrically conductive liquid, with the electrically conductive liquid being retained in the electrode body and fed onto the surface only by the capillary forces of said capillary material. The described construction results in easy handling of the device and accurate and …
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 August 13, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 13, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 13, 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.