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Expired Canadian patentCanada

Method of making buns or like products produced from dough

CA 1305353 C · Owner: Wilkins, Robert J. · Inventors: Wilkins, Robert J.

CIPO record

Overview

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

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Abstract From the Canadian patent

A method of making a bun or like edible product produced from dough includes placing dough in a mold having an outer peripheral wall defining the outer periphery of a bun to be baked, a flat bottom wall extending inwardly from the outer peripheral wall, and an upstanding recess-forming member surrounded by the bottom wall. The recess-forming member has an inner peripheral wall extending upwardly from the bottom wall and a top extending across the top of the inner peripheral wall. The dough is baked in the mold to form a bun having a flat bottom surface with a recess and, the bun is then cut across a horizontal plane above the recess to provide an upper part and a lower part the lower, part …

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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 July 21, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 21, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 1, 1986
GrantedJuly 21, 1992
Term endedJuly 21, 2009
Patent numberCA 1305353 C
Classification (IPC)A23P1/10 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedOct 1, 1986Patent grantedJuly 21, 1992Term endedJuly 21, 2009

Sources & verification

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