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Expired Canadian patentCanada

Detachable case

CA 1315745 C · Owner: Jan, Carol · Inventors: Jan, Carol; O, Judy

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

Two main rectangularly-shaped panels each of said, panels having projections on all four of its edges; four upper and four lower pieces having two thin walls which are separated by a partition to form an inside cavity, each of the pieces having distal ends forming 90 degree angles with each other; a cavity is formed in each of the pieces; four upper and four lower corner pieces, all of the corner pieces having projections at either distal lateral end thereof, said projections being at an angle of 90 degrees from each other and tightly fitting into the appropriate cavities so as to form a detachable case.

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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 April 6, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 6, 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.
FiledJune 8, 1988
GrantedApril 6, 1993
Term endedApril 6, 2010
Patent numberCA 1315745 C
Classification (IPC)A45C5/02 +1 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedJune 8, 1988Patent grantedApril 6, 1993Term endedApril 6, 2010

Sources & verification

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