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European application, no grantEurope

Method and device for obtaining a well-defined dynamic pressure pulse

EP 0367754 A2 · Applicant: AVL Gesellschaft für Verbrennungskraftmaschinen und Messtechnik mbH.Prof.Dr.Dr.h.c. Hans List

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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 October 30, 1989 and never granted as a European patent. Had it been granted, its 20-year term would have ended October 30, 2009.
  • 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 April 30, 2015.
  • 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.
FiledOctober 30, 1989
PublishedMay 9, 1990
GrantedNever granted
Term endedOctober 30, 2009
Application numberEP 89890283
Classification (CPC)G01L27/005

Timeline

Timeline From EPO dates

1990199219941996199820002002200420062008Application filedOct 30, 1989PublishedMay 9, 1990Term endedOct 30, 2009

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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