European application, no grantEurope
A firing initiating method and device
EP 0051572 A2 · Applicant: NITRO NOBEL AKTIEBOLAG
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 16, 1981 and never granted as a European patent. Had it been granted, its 20-year term would have ended October 16, 2001.
- 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 16, 2007.
- 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 16, 1981
PublishedMay 12, 1982
GrantedNever granted
Term endedOctober 16, 2001
Application numberEP 81850191
Classification (CPC)F42D1/04
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.