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Expired Canadian patentCanada

A projectile that is free of yaw angle

CA 1339565 C · Owner: Wiemer, Peter · Inventors: Grosswendt, Werner; Wiemer, Peter

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

In a fin-stabilized projectile (I) of a weapon used to, engage a tank (2) from above, the target end phase of the flight is initiated by a force on the nose of the missile body in, particular on the control unit that is located therein. Because of the fact that the control unit (4) is rotating because of a target-detection sensor, during this rotary movement the projectile oscillates because of the gyroscopic effect and thus there are target deviations at different combat ranges. In order to avoid the yaw angle and lateral deflections of the projectile that occur in the rotational-descent phase, within the projectile (I) between the control unit (4) and a warhead (3) there are means that …

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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

  • Granted December 2, 1997. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 2, 2014.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 19, 1989
GrantedDecember 2, 1997
Term endedDecember 2, 2014
Patent numberCA 1339565 C
Classification (IPC)F42B10/28 +2 more

Timeline

Timeline From CIPO dates

199019931996199920022005200820112014Application filedJuly 19, 1989Patent grantedDec 2, 1997Term endedDec 2, 2014

Sources & verification

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