Expired European patentEurope
Control system for the programmable time delay firing of a projectile comprising at least a military charge
EP 0454539 B1 · Applicant: THOMSON-BRANDT ARMEMENTS
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 April 16, 1991 and granted March 9, 1994. A European patent lasts at most 20 years from filing, so its term ended April 16, 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 October 16, 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.
FiledApril 16, 1991
PublishedOctober 30, 1991
GrantedMarch 9, 1994
Term endedApril 16, 2011
Application numberEP 91401001
Classification (CPC)F42C11/065
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.