Liquid dispensing pump arrangement with selective stroke restriction
CA 1182431 A · Owner: Calmar, Inc. · Inventors: Corsette, Douglas F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A liquid -dispensing pump arrangement permits positive setting into various full-stroke stroke limited, and off positions by rotation of the dispensing head thereof. The arrangement includes a reciprocating pump having a dip tube, a pump body, and a depressible stem and which is supported in a screw cap or other closure. A pedestal on the screw cap has longitudinal detents on a circumferential surface thereof, and also has a helical ramp thereon extending at least part way around the stem. A finger-depressible push-button dispensing head atop the stem has a radial outlet nozzle and a depending skirt which overlaps the circumferential surface of the pedestal. Fins or vanes on the skirt are …
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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 February 12, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 12, 2002.
- 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.