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Expired European patentEurope

Apparatus for assembling of plates and separators into plate groups for storage batteries

EP 0471661 B1 · Applicant: ELBAK Batteriewerke Gesellschaft m.b.H.

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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 May 29, 1991 and granted February 1, 1995. A European patent lasts at most 20 years from filing, so its term ended May 29, 2011.
  • 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 November 29, 2016.
  • 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.
FiledMay 29, 1991
PublishedFebruary 19, 1992
GrantedFebruary 1, 1995
Term endedMay 29, 2011
Application numberEP 91890116
Classification (CPC)H01M10/0404 +1 more

Timeline

Timeline From EPO dates

1992199419961998200020022004200620082010Application filedMay 29, 1991PublishedFeb 19, 1992Patent grantedFeb 1, 1995Term endedMay 29, 2011

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

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