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Expired Canadian patentCanada

Shaped charge carrier

CA 1314765 C · Owner: Appledorn, Roger C. · Inventors: Behling, William C.; Ratliff, Lary G.; Oestreich, Michael L.

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

A shaped charge carrier assembly includes a thin wall carrier having a charge opening disposed therethrough for freely receiving a shaped charge therein. A deformable retaining device is integrally formed with the thin wall carrier adjacent a periphery of the charge opening. The deformable retaining device allows the shaped charge to initially be freely received in the charge opening but sub-, sequently retains the shaped charge in the charge opening upon deformation of the deformable retaining device.

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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, and the Claude kit works from them.

Why it's free to use

  • Granted March 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 23, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 4, 1988
GrantedMarch 23, 1993
Term endedMarch 23, 2010
Patent numberCA 1314765 C
Classification (IPC)E21B43/11

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedMarch 4, 1988Patent grantedMarch 23, 1993Term endedMarch 23, 2010

Sources & verification

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