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Expired European patentEurope

Oil burner arrangement for field ranges

EP 0097315 B1 · Applicant: PROGRESS-WERK OBERKIRCH AG

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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.

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Why it's free to use

  • Filed June 14, 1983 and granted March 18, 1987. A European patent lasts at most 20 years from filing, so its term ended June 14, 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 December 14, 2008.
  • 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.
FiledJune 14, 1983
PublishedJanuary 4, 1984
GrantedMarch 18, 1987
Term endedJune 14, 2003
Application numberEP 83105830
Classification (CPC)F24C5/20 +2 more

Timeline

Timeline From EPO dates

1984198619881990199219941996199820002002Application filedJune 14, 1983PublishedJan 4, 1984Patent grantedMarch 18, 1987Term endedJune 14, 2003

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.