Expired European patentEurope
Magnetically sensed second environment safety and arming device
EP 1272809 B1 · Applicant: ALLIANT TECHSYSTEMS INC.
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 March 30, 2001 and granted August 22, 2007. A European patent lasts at most 20 years from filing, so its term ended March 30, 2021.
- 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 September 30, 2026.
- 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.
FiledMarch 30, 2001
PublishedJanuary 8, 2003
GrantedAugust 22, 2007
Term endedMarch 30, 2021
Application numberEP 01952104
Classification (CPC)F42C15/40
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.