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Expired European patentEurope

Method and apparatus for regulating heater cycles to improve fuel efficiency

EP 1077821 B1 · Applicant: Intellidyne Holdings, LLC

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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 20, 1998 and granted January 4, 2012. A European patent lasts at most 20 years from filing, so its term ended March 20, 2018.
  • 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 20, 2023.
  • 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 20, 1998
PublishedFebruary 28, 2001
GrantedJanuary 4, 2012
Term endedMarch 20, 2018
Application numberEP 98913036
Classification (CPC)F24H15/144 +2 more

Timeline

Timeline From EPO dates

1999200120032005200720092011201320152017Application filedMarch 20, 1998PublishedFeb 28, 2001Patent grantedJan 4, 2012Term endedMarch 20, 2018

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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