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Expired Canadian patentCanada

Above ground swimming pool with modular deck panels for solar heating of pool water

CA 1316423 C · Owner: Gerspach, Paul J. · Inventors: Saj, Kenneth S.

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 above ground swimming pool rib structure including a lower plastic section, an upper plastic section aligned, tubular portions in the upper and lower sections a wooden, keying member joining the upper and lower sections a second, tubular portion in the lower section for receiving a wooden post for supporting the side of the water tank of the swimming pool and third tubular portions with interspersed webs extending transversely to all of the foregoing tubular portions for rigidizing the rib structure, the wooden keying member receiving nails which extend through the tubular portion of the upper section for attaching fence members and a hand rail. A plastic solar deck panel for a swimming …

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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 April 20, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 20, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 29, 1985
GrantedApril 20, 1993
Term endedApril 20, 2010
Patent numberCA 1316423 C
Classification (IPC)F24S20/64 +2 more

Timeline

Timeline From CIPO dates

198619891992199519982001200420072010Application filedNov 29, 1985Patent grantedApril 20, 1993Term endedApril 20, 2010

Sources & verification

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