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Expired European patentEurope

Thermostat-type setback controller having a recovery set point which depends on the time-based value of a sensor signal

EP 0660952 B1 · Applicant: HONEYWELL INC.

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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 17, 1993 and granted December 10, 1997. A European patent lasts at most 20 years from filing, so its term ended September 17, 2013.
  • 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 17, 2019.
  • 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 17, 1993
PublishedJuly 5, 1995
GrantedDecember 10, 1997
Term endedSeptember 17, 2013
Application numberEP 93921675
Classification (CPC)G05D23/1904

Timeline

Timeline From EPO dates

1994199619982000200220042006200820102012Application filedSep 17, 1993PublishedJuly 5, 1995Patent grantedDec 10, 1997Term endedSep 17, 2013

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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