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Expired Canadian patentCanada

Swimming pool cover having a raised leading edge

CA 1061954 A · Owner: Lamb, Joe H. · Inventors: Lamb, Joe H.

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

A swimming pool cover constructed from a flexible impervious material wherein the leading or forward edge thereof is raised above the pool s surface. The above swimming pool cover is adapted with a longitudinal or lateral beaded side edge which is slidably held within a longitudinal open channel or track cut into a slideway member mounted to the deck or longitudinal margins of a swimming pool. The leading or forward edge of the cover is also beaded or thickened so that it may be received and held within a track or channel fixed to a bowed tubular member. Fixed to either end of the bowed tubular member are pivotally mounted legs having rotatably mounted tandem wheels fixed thereto. To …

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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 11, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 11, 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—
GrantedSeptember 11, 1979
Term endedSeptember 11, 1996
Patent numberCA 1061954 A
Classification (IPC)F16S3/08 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedSep 11, 1979Term endedSep 11, 1996

Sources & verification

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