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Expired European patentEurope

Tandem steam-water separator

EP 0284675 B1 · Applicant: FOSTER WHEELER ENERGY LIMITED

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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.

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Why it's free to use

  • Filed March 30, 1987 and granted December 30, 1992. A European patent lasts at most 20 years from filing, so its term ended March 30, 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 September 30, 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.
FiledMarch 30, 1987
PublishedOctober 5, 1988
GrantedDecember 30, 1992
Term endedMarch 30, 2007
Application numberEP 87302743
Classification (CPC)B04C3/04 +2 more

Timeline

Timeline From EPO dates

1988199019921994199619982000200220042006Application filedMarch 30, 1987PublishedOct 5, 1988Patent grantedDec 30, 1992Term endedMarch 30, 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.