Expired European patentEurope
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EP 0134278 B1 · Applicant: idn inventions and development of novelties ag
Overview
The published document from the EPO: abstract, claims, description and drawings. Open it full size
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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 August 29, 1983 and granted March 16, 1988. A European patent lasts at most 20 years from filing, so its term ended August 29, 2003.
- 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 March 1, 2009.
- 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.
FiledAugust 29, 1983
PublishedMarch 20, 1985
GrantedMarch 16, 1988
Term endedAugust 29, 2003
Application numberEP 83108472
Classification (CPC)G11B23/023 +1 more
Timeline
Timeline From EPO dates
Sources & verification
Official EPO records
Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.