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A shurkin-bershansky device for the optical correction and exercise of vision

EP 1011598 A2 · Applicant: Shurkin, Viktor Ivanovich

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Overview

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Listed from its EPO record in Patent Yard's archive of European patents past their term. Its claims, description and drawings are in the EPO PDF and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed December 3, 1997 and never granted as a European patent. Had it been granted, its 20-year term would have ended December 3, 2017.
  • A supplementary protection certificate, which can extend a medicine or crop-protection patent, adds at most five and a half years, so even that would have ended by June 3, 2023.
  • We check European rights only. A US or other national patent in its family could still be in force: check its family on Espacenet or Google Patents.
FiledDecember 3, 1997
PublishedJune 28, 2000
GrantedNever granted
Term endedDecember 3, 2017
Application numberEP 97953018
Classification (CPC)A61H5/00 +1 more

Timeline

Timeline From EPO dates

1998200020022004200620082010201220142016Application filedDec 3, 1997PublishedJune 28, 2000Term endedDec 3, 2017

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