Swimming pool winterizing faceplate kit
CA 2002065 A1 · Owner: Goelz, Robert D. · Inventors: Dengel, Robert W.; Goelz, Robert D.; Dengel, Robert W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A winterizing kit for swimming pools and more specifically a winterizing faceplate kit for both inground and aboveground swimming pools to greatly reduce the efforts required in the preparation of a swimming pool for active use or for winterizing. A skimmer faceplate is installed on the wall of the swimming pool which provides for both the mounting of a skimmer and a winter cover when required with the present kit eliminating the necessity to drain and refill the pool each time the pool is opened in the spring or closed in the fall. The faceplate includes a gasket arrangement and other components including a faceplate winterizing cover and necessary mounting bolts and screws to secure the …
Read the whole patent
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
- Filed November 2, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 2, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 2, 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.
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.