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European application, no grantEurope

Apparatus for shifting filter plates in a filter press

EP 0333762 A1 · Applicant: ENVIROTECH CORPORATION

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Overview

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Read the whole patent

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 November 25, 1987 and never granted as a European patent. Had it been granted, its 20-year term would have ended November 25, 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 May 25, 2013.
  • 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.
FiledNovember 25, 1987
PublishedSeptember 27, 1989
GrantedNever granted
Term endedNovember 25, 2007
Application numberEP 88900193
Classification (CPC)B01D25/172

Timeline

Timeline From EPO dates

1988199019921994199619982000200220042006Application filedNov 25, 1987PublishedSep 27, 1989Term endedNov 25, 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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.