Apparatus and method for draining a swimming pool cover
CA 1315173 C · Owner: Hodak, Frank J. · Inventors: Hodak, Frank J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for draining a swimming pool cover includes upper and lower flanged members having a central drain passage for sealably fitting around a hole formed in the pool cover. A drain tube upwardly extends from the upper flange and communicates with the passage thereof. An elbow fitting or the like communicates at one end with the passage in the lower flange and at another end with a flexible conduit. The conduit extends from the elbow fitting for connection to a conventional return water port fitting located at the pool sidewall. As water accumulates on the cover to a predetermined depth, the excess water drains into the drain tube and travels through the flexible conduit 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 March 30, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 30, 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.