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Expired Canadian patentCanada

Roofing safety device

CA 1332385 C · Owner: Davey Roofing, Inc. · Inventors: Flaherty, Brian J.

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

Abstract, A roofing safety device adapted to be used in, connection with substantially all roof configurations comprises an upright support, adapted to be secured to the roof of a building, having at least one self-braking mechanism and cable assembly attached thereto. Disposed at the free end of the cable is a fastening device which may be secured to one of a plurality of heavy rings secured to a belt. The plurality of rings provided on the belt enables the worker to attach the cable of the self-braking mechanism to either side of his body, thereby allowing the worker to perform his task on the roof without being chafed by the cable. A pair of stabilizing struts each having a, rectangular …

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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 11, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 11, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 29, 1989
GrantedOctober 11, 1994
Term endedOctober 11, 2011
Patent numberCA 1332385 C
Classification (IPC)A62B35/00 +2 more

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedJune 29, 1989Patent grantedOct 11, 1994Term endedOct 11, 2011

Sources & verification

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