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Expired European patentEurope

Switching mechanism with an apparatus for controlling the influence of ambient characteristics

EP 0481355 B1 · Applicant: E.G.O. Elektro-Geräte AG

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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 October 10, 1991 and granted June 5, 1996. A European patent lasts at most 20 years from filing, so its term ended October 10, 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 April 10, 2017.
  • 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.
FiledOctober 10, 1991
PublishedApril 22, 1992
GrantedJune 5, 1996
Term endedOctober 10, 2011
Application numberEP 91117265
Classification (CPC)H01H37/10

Timeline

Timeline From EPO dates

1992199419961998200020022004200620082010Application filedOct 10, 1991PublishedApril 22, 1992Patent grantedJune 5, 1996Term endedOct 10, 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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