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Expired European patentEurope

Process and apparatus for determining female ovulation time by measurement of saliva viscoelasticity

EP 0286743 B1 · Applicant: The Academy of Applied Science Inc.

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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.

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Why it's free to use

  • Filed April 14, 1987 and granted March 9, 1994. A European patent lasts at most 20 years from filing, so its term ended April 14, 2007.
  • 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 October 14, 2012.
  • 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.
FiledApril 14, 1987
PublishedOctober 19, 1988
GrantedMarch 9, 1994
Term endedApril 14, 2007
Application numberEP 87303248
Classification (CPC)G01N11/00 +1 more

Timeline

Timeline From EPO dates

1988199019921994199619982000200220042006Application filedApril 14, 1987PublishedOct 19, 1988Patent grantedMarch 9, 1994Term endedApril 14, 2007

Sources & verification

Official EPO records

Full published documentClaims, description and drawings as a PDF.EPOEuropean Patent RegisterProcedure, status, file inspection and legal events.EPOLinked open EP data recordThe bibliographic record this page is built from.EPO

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.comEspacenetNational family members and their legal status.European Patent Office

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