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Expired European patentEurope

High-low superheat protection for a refrigeration system compressor

EP 0159281 B1 · Applicant: CARRIER CORPORATION

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Overview

The published document from the EPO: abstract, claims, description and drawings. Open it full size

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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 April 4, 1985 and granted May 16, 1990. A European patent lasts at most 20 years from filing, so its term ended April 4, 2005.
  • 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 October 4, 2010.
  • 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.
FiledApril 4, 1985
PublishedOctober 23, 1985
GrantedMay 16, 1990
Term endedApril 4, 2005
Application numberEP 85630045
Classification (CPC)F25B41/35

Timeline

Timeline From EPO dates

1986198819901992199419961998200020022004Application filedApril 4, 1985PublishedOct 23, 1985Patent grantedMay 16, 1990Term endedApril 4, 2005

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.