Expired European patentEurope
War head
EP 0238715 B1 · Applicant: Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung
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 October 30, 1986 and granted April 18, 1990. A European patent lasts at most 20 years from filing, so its term ended October 30, 2006.
- 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, 2012.
- 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, 1986
PublishedSeptember 30, 1987
GrantedApril 18, 1990
Term endedOctober 30, 2006
Application numberEP 86115062
Classification (CPC)F42B12/18
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.