European application, no grantEurope
Autonomous acoustic detonation device
EP 0458178 A2 · Applicant: ALLIANT TECHSYSTEMS INC.
Overview
The published document from the EPO: abstract, claims, description and drawings. Open it full size
No Claude kit for weapons
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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 May 15, 1991 and never granted as a European patent. Had it been granted, its 20-year term would have ended May 15, 2011.
- 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 November 15, 2016.
- 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.
FiledMay 15, 1991
PublishedNovember 27, 1991
GrantedNever granted
Term endedMay 15, 2011
Application numberEP 91107842
Classification (CPC)F42D1/05
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.