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Expired European patentEurope

Thermostatically controlled valve, method of making same and apparatus for performing the method

EP 0010350 B1 · Applicant: Western Thomson Controls Ltd

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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 5, 1979 and granted January 6, 1982. A European patent lasts at most 20 years from filing, so its term ended September 5, 1999.
  • 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 5, 2005.
  • 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 5, 1979
PublishedApril 30, 1980
GrantedJanuary 6, 1982
Term endedSeptember 5, 1999
Application numberEP 79301825
Classification (CPC)G05D23/024

Timeline

Timeline From EPO dates

1980198219841986198819901992199419961998Application filedSep 5, 1979PublishedApril 30, 1980Patent grantedJan 6, 1982Term endedSep 5, 1999

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.