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Expired European patentEurope

Gunnery simulation system

EP 0042004 B1 · Applicant: GENERAL ELECTRIC COMPANY

EPO PDF

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 December 17, 1980 and granted September 11, 1985. A European patent lasts at most 20 years from filing, so its term ended December 17, 2000.
  • 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 June 17, 2006.
  • 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 17, 1980
PublishedDecember 23, 1981
GrantedSeptember 11, 1985
Term endedDecember 17, 2000
Application numberEP 81900248
Classification (CPC)F41G3/2605 +2 more

Timeline

Timeline From EPO dates

1981198319851987198919911993199519971999Application filedDec 17, 1980PublishedDec 23, 1981Patent grantedSep 11, 1985Term endedDec 17, 2000

Sources & verification