Expired European patentEurope
Pyroelectronic detonator provided with a circuit for shunting an electrothermal bridge
EP 1831636 B1 · Applicant: Davey Bickford
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 December 23, 2005 and granted November 4, 2009. A European patent lasts at most 20 years from filing, so its term ended December 23, 2025.
- Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
- 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.
FiledDecember 23, 2005
PublishedSeptember 12, 2007
GrantedNovember 4, 2009
Term endedDecember 23, 2025
Application numberEP 05848358
Classification (CPC)F42B3/182
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.