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Expired Canadian patentCanada

Gate stop

CA 1059553 A · Owner: Murphy, Edward P. · Inventors: Murphy, Edward P.

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

An improved gate stop is disclosed comprising a flat plate having a forward first section a central, second section, and a rear third section. A narrow slit is cut through the plate following a path beginning at the junction of the second and third sections near the lower boundary of the plate, extending toward the first section, then upwardly toward the upper boundary of the plate, and then toward the third section, and terminating at the junction of the second and said third section near the upper boundary of the plate. The slit defines the border of a flap which projects outwardly when the third section is bent perpendicular to the second section.

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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 31, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 31, 1996.
  • 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—
GrantedJuly 31, 1979
Term endedJuly 31, 1996
Patent numberCA 1059553 A
Classification (IPC)E05F5/00 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedJuly 31, 1979Term endedJuly 31, 1996

Sources & verification

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