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Expired Canadian patentCanada

Tape cartridge storage system

CA 1252758 A · Owner: Engineered Data Products, Inc. · Inventors: Price, Macy J.; Ball, Laurence G.

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 tape cartridge storage unit is provided so that two or four tape cartridge storage holders may be retained in a side by side relationship on a plurality of vertically spaced shelves. Each shelf has a width substantially equal to the combined width of two or four tape cartridge storage holders and the distance between adjacent shelves is substantially equal to the height of the tape cartridge storage holder so that a maximum number of tape cartridges may be stored in a minimum space. The unit is an all steel welded construction.

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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 18, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 18, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 18, 1986
GrantedApril 18, 1989
Term endedApril 18, 2006
Patent numberCA 1252758 A
Classification (IPC)G11B23/02

Timeline

Timeline From CIPO dates

1987198919911993199519971999200120032005Application filedAug 18, 1986Patent grantedApril 18, 1989Term endedApril 18, 2006

Sources & verification

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