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Expired European patentEurope

Slack adjuster

EP 0020128 B1 · Applicant: EATON 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 May 28, 1980 and granted April 18, 1984. A European patent lasts at most 20 years from filing, so its term ended May 28, 2000.
  • 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 November 28, 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.
FiledMay 28, 1980
PublishedDecember 10, 1980
GrantedApril 18, 1984
Term endedMay 28, 2000
Application numberEP 80301755
Classification (CPC)F16D65/60

Timeline

Timeline From EPO dates

1981198319851987198919911993199519971999Application filedMay 28, 1980PublishedDec 10, 1980Patent grantedApril 18, 1984Term endedMay 28, 2000

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.