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Expired Canadian patentCanada

Disposable peppermill

CA 1307720 C · Owner: Poncy, George W. · Inventors: Poncy, George W.

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

In a peppermill which is designed as a disposable, container for contained peppercorns a cylindrical body, is provided with a grooved section at one end to comprise the female element of the grinding mechanism. The grooved section includes a conical inwardly directed fact which mates with a conical surface on a male grinding element which closes one end of the cylinder. The other end of the cylinder is closed by a turning knob, which is rotatably mounted on the cylinder. A connecting rod is molded in one piece with the turning knob and is permanently connected to the male grinding element so that the peppermill cannot be refilled.

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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 September 22, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 22, 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.
FiledApril 7, 1988
GrantedSeptember 22, 1992
Term endedSeptember 22, 2009
Patent numberCA 1307720 C
Classification (IPC)A47J42/04

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedApril 7, 1988Patent grantedSep 22, 1992Term endedSep 22, 2009

Sources & verification

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