Oral hygiene methods and apparatus
CA 1204007 A · Owner: Teledyne Industries, Inc. · Inventors: Hickman, Clarence J.; Mullins, Keith M.; Elkins, Christopher W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Oral hygiene methods and apparatus for producing a liquid jet by pumping liquid through an inlet in a pump housing from a reservoir employ an arrangement in which the reservoir in an inverted position serves also as a cover for the pump housing or inlet. For optimum compactness the inlet is provided laterally at the pump housing. In particular, the inlet may be located in a side wall laterally of a part of the pump housing serving as a first supporting base in an upright position thereof and, the pump housing has a second supporting base laterally of the first base. In practice, the pump housing is laid on its side or second supporting base, whereby the inlet comes to face upwardly. Liquid …
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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 May 6, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 6, 2003.
- 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.