Expired European patentEurope
Hollow charge mine
EP 0157902 B1 · Applicant: Dynamit Nobel Aktiengesellschaft
Overview
The published document from the EPO: abstract, claims, description and drawings. Open it full size
No Claude kit for weapons
Claude doesn't help design weapons, ammunition or explosives, so this page has no Reinvent kit. To develop this one, work with a federally licensed manufacturer (many of these items are regulated) and a registered patent attorney or agent, listed on the USPTO roster.
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 August 7, 1984 and granted February 7, 1990. A European patent lasts at most 20 years from filing, so its term ended August 7, 2004.
- 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 February 7, 2010.
- 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.
FiledAugust 7, 1984
PublishedOctober 16, 1985
GrantedFebruary 7, 1990
Term endedAugust 7, 2004
Application numberEP 84109347
Classification (CPC)F42B23/24 +2 more
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.