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Expired Canadian patentCanada

Dual and single audio disc box storage tray

CA 1291388 C · Owner: Liu, Fu J. · Inventors: Liu, Fu J.; Mastronardo, Patrick

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 storage tray has opposed first sets of spaced ribs forming parallel compartments and a second set of shorter ribs disposed between the first sets of ribs with the spacing being one first rib and one adjacent second rib being sized to slidably receive one single compact audio disc box so that two single compact, audio disc boxes fit every compartment. Two adjacent single boxes may be removed, and then one dual audio disc box is received in the compartment between adjacent first ribs, and with the second rib being slidably received in the back recess of a conventional dual audio disc box. The storage tray is selfinterlocking with another storage tray so as to form a self-constructing …

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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 October 29, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 29, 2008.
  • 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 17, 1987
GrantedOctober 29, 1991
Term endedOctober 29, 2008
Patent numberCA 1291388 C
Classification (IPC)B65D85/57 +1 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedJuly 17, 1987Patent grantedOct 29, 1991Term endedOct 29, 2008

Sources & verification

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