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Expired Canadian patentCanada

Swimming pool structure and method of erecting the same

CA 1070052 A · Owner: Bertsch, Lyle E. · Inventors: Bertsch, Lyle E.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A non-corrosive swimming pool structure for erection above or below ground level. The swimming pool structure includes wall sections, braces, stakes fasteners, for connecting the wall sections together and the braces to the wall sections, and fasteners for securing the stakes to the braces, all of which are made of a noncorrosive material, for example structural foam whereby, the entire swimming pool structure is essentially noncorrosive. The swimming pool structure incorporates a unique method by which the wall sections and braces are easily assembled and secured together utilizing fasteners of a "quick-connect" type thereby eliminating all of the disadvantages of the conventional …

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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 January 22, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 22, 1997.
  • 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—
GrantedJanuary 22, 1980
Term endedJanuary 22, 1997
Patent numberCA 1070052 A
Classification (IPC)E04H4/00 +1 more

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedJan 22, 1980Term endedJan 22, 1997

Sources & verification

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