Fluid spray head and method adapted to spray specific pattern
CA 1066744 A · Owner: Toro Company (The) · Inventors: Hunter, Edwin J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, In a sprinkler apparatus an improved fluid spray head, having the ability to adjust the flow rate of fluid to the discharge orifices, to adjust the precipitation rate over the ground area sprayed, and to spray a specifically shaped non-circular ares. The improved fluid spray head has a plurality of circumferentiallyspaced discharge orifices having cross-sectional areas which progressively vary in a manner such that the relative cross-sectional areas of the discharge orifices are proportional to the square of the distance that their respective spray streams are desired to travel so that the perimeter of the ground area sprayed defines a preselected shape, and so …
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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 November 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 20, 1996.
- 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.