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Expired Canadian patentCanada

Sandwich toasting apparatus

CA 1076631 A · Owner: Heapco Ltd. · Inventors: Wheeler, Richard G.

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

This invention relates to a sandwich toasting apparatus which consists of two mould halves constructed and arranged to be brought together to form between then at least one cavity shaped to receive and compress the peripheral edges of a sandwich consisting of two slices of bread having a filling between them placed in one of the mould halves. Electrical heating means are associated with the mould halves to heat the sandwich and toast the exterior thereof and the apparatus is also provided with means to retain the mould halves in a closed position. The apparatus is characterized in that each mould half is provided with at least one transverse rib extending into the mould cavity, the ribs …

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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 29, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 29, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedApril 29, 1980
Term endedApril 29, 1997
Patent numberCA 1076631 A
Classification (IPC)A47J37/06

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedApril 29, 1980Term endedApril 29, 1997

Sources & verification

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