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Expired Canadian patentCanada

International world clock

CA 1305330 C · Owner: Garland, Clifford · Inventors: Garland, Clifford

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

This international world clock is design to readout a display of time in major cities of the world. Primarily it, consists of a world map panel secured to a pane mounted in an opening of a housing, and a motor is provided in the housing and is provided with an attached disk that is coupled to a time disk rotated by the motor. -7-

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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.
FiledDecember 28, 1988
GrantedJuly 21, 1992
Term endedJuly 21, 2009
Patent numberCA 1305330 C
Classification (IPC)G04B19/22

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedDec 28, 1988Patent 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.