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Expired Canadian patentCanada

Security box having sliding closure

CA 1309976 C · Owner: Buckhorn Inc. · Inventors: Stein, Eric D.

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 document tray is provided with a plurality of interior partitions having a wedging connection with hollow buttresses of the container wall. The transparent lid is provided with hooks at its rear end for engaging within correspondingly shaped apertures of the rear end wall of the container and hooks at its, front end for engaging within corresponding shaped apertures within the container front end wall. Security ties tightly lock the lid and container together at the rear end wall. The hooks at the front end wall are provided with notch sensitive areas that provide weakened portions such that the hooks will break off prior to any successful tampering with the front hook aperture …

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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 November 10, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 10, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 30, 1987
GrantedNovember 10, 1992
Term endedNovember 10, 2009
Patent numberCA 1309976 C
Classification (IPC)B65D43/12 +1 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedJune 30, 1987Patent grantedNov 10, 1992Term endedNov 10, 2009

Sources & verification

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