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Expired European patentEurope

Combined piercer and valve for flexible bag

EP 0046754 B1 · Applicant: CHRISTINE, William C.

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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, 1980 and granted January 28, 1987. A European patent lasts at most 20 years from filing, so its term ended March 20, 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 September 20, 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.
FiledMarch 20, 1980
PublishedMarch 10, 1982
GrantedJanuary 28, 1987
Term endedMarch 20, 2000
Application numberEP 80901986
Classification (CPC)B65D75/5877 +2 more

Timeline

Timeline From EPO dates

1981198319851987198919911993199519971999Application filedMarch 20, 1980PublishedMarch 10, 1982Patent grantedJan 28, 1987Term endedMarch 20, 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.