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Expired European patentEurope

A polyester spun-like textured yarn and method for manufacturing the same

EP 0044084 B1 · Applicant: TEIJIN LIMITED

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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 July 15, 1981 and granted June 27, 1984. A European patent lasts at most 20 years from filing, so its term ended July 15, 2001.
  • 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 January 15, 2007.
  • 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.
FiledJuly 15, 1981
PublishedJanuary 20, 1982
GrantedJune 27, 1984
Term endedJuly 15, 2001
Application numberEP 81105534
Classification (CPC)D02G1/20 +1 more

Timeline

Timeline From EPO dates

1982198419861988199019921994199619982000Application filedJuly 15, 1981PublishedJan 20, 1982Patent grantedJune 27, 1984Term endedJuly 15, 2001

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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