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Expired European patentEurope

A chewing gum composition and process for the production thereof

EP 0176237 B1 · Applicant: WARNER-LAMBERT COMPANY

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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 August 23, 1985 and granted January 15, 1992. A European patent lasts at most 20 years from filing, so its term ended August 23, 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 February 23, 2011.
  • 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.
FiledAugust 23, 1985
PublishedApril 2, 1986
GrantedJanuary 15, 1992
Term endedAugust 23, 2005
Application numberEP 85306003
Classification (CPC)A23G4/06 +2 more

Timeline

Timeline From EPO dates

1986198819901992199419961998200020022004Application filedAug 23, 1985PublishedApril 2, 1986Patent grantedJan 15, 1992Term endedAug 23, 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

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