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Expired Canadian patentCanada

Open top refrigerated display case with storage section

CA 1111667 A · Owner: Tyler Refrigeration Corporation · Inventors: Abraham, Fayez F.; Perez, Arthur

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

An open top refrigerated display case having an upper display portion for displaying refrigerated products and a lower storage portion for storing refrigerated products. A cooling mechanism is provided for cooling both the display portion and storage portion of the display case. The refrigerated products which are stored within the case can be either normally refrigerated products kept at a temperature of above 32°F or frozen products maintained at a temperature of below 32°F. The cooling mechanism includes a mechanism for establishing a refrigerated air band which encircles the display portion of the display case. This refrigerated air band is established by circulating air through an air …

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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 3, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 3, 1998.
  • 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 27, 1980
GrantedNovember 3, 1981
Term endedNovember 3, 1998
Patent numberCA 1111667 A
Classification (IPC)A47F3/04 +1 more

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Application filedMarch 27, 1980Patent grantedNov 3, 1981Term endedNov 3, 1998

Sources & verification

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