Dental scaler having scaling tip with rounded edge work surfaces particularly suitable for circular or ellipsoidal patterns of vibration
CA 1160080 A · Owner: Syntex (U.S.A.) Llc · Inventors: Nash, John E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A powered dental scaler (10) is disclosed of a type which drives a vibrating scaling tip (26) in a circular or ellipsoidal pattern of motion. A scaling tip (26) having working surfaces provided by the edges (104 106, 108) of an elongated, curved element which has a cross-sectional configuration in the shape of a multi-sided figure, e.g. a triangle or a diamond is, particularly useful with a scaler having this type of vibrational pattern. Each of the longitudinal edges (104, 106, 108) has a radius of curvature in the range of about 0.001 inch to about 0.005 inch. The free end (94) of the scaler work tool (26) preferably terminates in rounded or ball-shaped configurations, and the working …
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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 January 10, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 10, 2001.
- 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.