Sprayer head
CA 1262255 C · Owner: Nesland, Nickolas B. · Inventors: Nesland, Nickolas B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, A sprayer comprising a housing (10) having an internal aperture in which a spool (12) is mounted for translational movement is disclosed. The spoolhas a nozzle (32) mounted to it. A cavity (30) formed in the spool, is configured, to provide a passageway for directing fluid from an inlet (20) in the housing tothe nozzle when the sprayer is in a spraying position. The cavity also provides a fluid passageway from the fluid inlet to a fluid outlet (21) which is also formed, in the housing. The latter fluid passageway permits a reverse fluid flow throughthe nozzle. The direction of the reverse fluid flow is opposite to spraying flowdirection. Thus the reverse fluid flow cleans 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
- Granted October 10, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 10, 2006.
- 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.