Dental apparatus
CA 1324466 C · Owner: Rogers, Nathan Jay · Inventors: Rogers, Barbara Rae; Rogers, Nathan Jay
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, A dental apparatus adapted for penetrating and cleaning the interstices and interproximal surfaces between the teeth the, surfaces at and below the gum margins and the tooth-gum, interfaces including the grooves and crevices thereof is, provided. In a preferred embodiment a neck portion, interconnects an elongated handle portion and a head portion with the held portion being angled upwardly of the handle portion. A plurality of tufts of bristles are fixedly attached to the face of said head portion, said tufts of bristles having wedge means and conforming means to enable penetration into and cleaning of said interstices, surfaces and interfaces. A single row of a plurality of …
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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 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 23, 2010.
- 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.