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Canadian application, no grantCanada

Ultrasonic diagnostic imaging system with data access and communications capability

CA 2221908 A1 · Owner: Ungari, Joseph L. · Inventors: Canfield, Earl M. Ii; Dewar, Ian; Ungari, Joseph L.

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

An ultrasonic diagnostic imaging system is provided which is capable of accessing images and information from internal or external databases by means of a browser. Access to such images or information may be over a local network or over a worldwide network such as the Internet. The browser may be used to pull in system preset data or reference images from a reference image library for, instance.

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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 November 21, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 21, 2017.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 21, 2019.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 21, 1997
GrantedNo grant recorded
Term endedNovember 21, 2017
Patent numberCA 2221908 A1
Classification (IPC)H04L12/16 +2 more

Timeline

Timeline From CIPO dates

1998200020022004200620082010201220142016Application filedNov 21, 1997Term endedNov 21, 2017

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.