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Expired European patentEurope

Switchboard cabinet with an air conditioner

EP 0284889 B1 · Applicant: Rittal-Werk Rudolf Loh GmbH & Co. KG

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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 March 16, 1988 and granted January 7, 1993. A European patent lasts at most 20 years from filing, so its term ended March 16, 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 September 16, 2013.
  • 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 16, 1988
PublishedOctober 5, 1988
GrantedJanuary 7, 1993
Term endedMarch 16, 2008
Application numberEP 88104139
Classification (CPC)H02B1/565

Timeline

Timeline From EPO dates

1989199119931995199719992001200320052007Application filedMarch 16, 1988PublishedOct 5, 1988Patent grantedJan 7, 1993Term endedMarch 16, 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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.