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Expired Canadian patentCanada

Fire rated flush mounted corner guard

CA 1289720 C · Owner: Balco International, Inc. · Inventors: Rumsey, Roger L.

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

of the Invention, A fire-rated flush mounted corner guard, is provided which serves to maintain continuous integrity in the fire rating of building walls notwithstanding the recessing thereof to accommodate a corner guard and consequent lessening of the amount of fire rock present at the corner. The corner guard preferably includes an upright con-, tinuous, floor-to-ceiling, L-shaped in crosssection synthetic resin corner cover, means for resiliently mounting the cover within a corner recess substantially flush with the building walls and insulating means within the corner recess beneath the cover. In this way the corner guard assembly provides a fire rating substantially equivalent to the …

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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 October 1, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 1, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 29, 1987
GrantedOctober 1, 1991
Term endedOctober 1, 2008
Patent numberCA 1289720 C
Classification (IPC)E04F13/06 +1 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedSep 29, 1987Patent grantedOct 1, 1991Term endedOct 1, 2008

Sources & verification

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