Flexible connector to afford adjustability in a liquid delivery line
CA 2072960 A1 · Owner: Parker, Frank M. · Inventors: Parker, Frank M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A flexible connector is used to connect a source of liquid to a dispenser so that the position of the dispenser may be adjusted or the line leading to a fixed dispenser may be adjusted. A typical use is in connecting underground pipe to a sprinkler head, but the invention may be used in other installations. Examples are to provide a connector for a light-weight, non-kink garden hose; sewer pipe fittings and ABS drain pipe. A very flexible tubing such as light vinyl, tubing, is encased in a tough outer protective tubing such, as convoluted tubing. At either end is a fitting into which the flexible tubing fits. A bushing inside the fitting expands the end of the flexible tubing and thus …
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 July 2, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 2, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 2, 2014.
- 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.