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Expired European patentEurope

Modular constructions for storage heaters

EP 0071593 B1 · Applicant: ATELIERS DE CONSTRUCTIONS ELECTRIQUES DE CHARLEROI (ACEC) Société Anonyme

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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 July 29, 1982 and granted April 16, 1986. A European patent lasts at most 20 years from filing, so its term ended July 29, 2002.
  • 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 January 29, 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.
FiledJuly 29, 1982
PublishedFebruary 9, 1983
GrantedApril 16, 1986
Term endedJuly 29, 2002
Application numberEP 82870043
Classification (CPC)F24H7/0433

Timeline

Timeline From EPO dates

1983198519871989199119931995199719992001Application filedJuly 29, 1982PublishedFeb 9, 1983Patent grantedApril 16, 1986Term endedJuly 29, 2002

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.