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Expired European patentEurope

Process for controlling the dispatch of lift cabins from the main stop at rush hours

EP 0321657 B1 · Applicant: INVENTIO 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 September 27, 1988 and granted May 5, 1993. A European patent lasts at most 20 years from filing, so its term ended September 27, 2008.
  • 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 March 27, 2014.
  • 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.
FiledSeptember 27, 1988
PublishedJune 28, 1989
GrantedMay 5, 1993
Term endedSeptember 27, 2008
Application numberEP 88115869
Classification (CPC)B66B1/2458

Timeline

Timeline From EPO dates

1989199119931995199719992001200320052007Application filedSep 27, 1988PublishedJune 28, 1989Patent grantedMay 5, 1993Term endedSep 27, 2008

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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