Expired European patentEurope
Match head formulations containing iron phosphides
EP 0540372 B1 · Applicant: SOCIETE NATIONALE D'EXPLOITATION INDUSTRIELLE DES TABACS ET ALLUMETTES
Overview
The published document from the EPO: abstract, claims, description and drawings. Open it full size
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Read the whole patent
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.
Why it's free to use
- Filed August 6, 1992 and granted January 5, 1994. A European patent lasts at most 20 years from filing, so its term ended August 6, 2012.
- 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 6, 2018.
- 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 6, 1992
PublishedMay 5, 1993
GrantedJanuary 5, 1994
Term endedAugust 6, 2012
Application numberEP 92402242
Classification (CPC)C06F3/00 +1 more
Timeline
Timeline From EPO dates
Sources & verification
Official EPO records
Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.