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Expired Canadian patentCanada

Method for determining the disaggregation time, in particular of a programmable projectile

CA 2190386 C · Owner: Werkzeugmaschinenfabrik Oerlikon-Buehrle Ag · Inventors: Boss, Andre

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

It is possible to improve the hit probability of programmable projectiles by means of this method. For this purpose a predetermined optimal disaggregation distance (Dz) between a disaggregation point (Pz) of the projectile (18) and an impact point (Pf) on the target is maintained constant by the correction of the disaggregation time (Tz) of the projectile (18). The correction is performed by adding a correcting factor, which is multiplied by a velocity difference, to the disaggregation time (Tz). The velocity difference is formed from the difference between the actually measured projectile velocity and a lead velocity of the projectile, wherein the lead velocity is calculated from the …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents.

Why it's free to use

  • Filed November 14, 1996 and granted September 16, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 14, 2016.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 14, 2018.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 14, 1996
GrantedSeptember 16, 2003
Term endedNovember 14, 2016
Patent numberCA 2190386 C
Classification (IPC)F42C9/00 +2 more

Timeline

Timeline From CIPO dates

1997199920012003200520072009201120132015Application filedNov 14, 1996Patent grantedSep 16, 2003Term endedNov 14, 2016

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.