Teeth-cleaning device with handle
CA 2278491 A1 · Owner: F.A. Rueb Holding Gmbh · Inventors: Rueb, Fritz Alfons; Rueb, Fritz Walter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a teeth-cleaning device (1) with a handle (2) which on one end, preferably on two opposite ends has an interdental treatment , element for example in the form of a fine brush (3) or hard brush (4) and possibly even in the shape of a tooth pick. Said treatment element is positioned perpendicular to, and projects from the longitudinal axis of the , handle (2) and is removably and replaceably attached by means of a locking element (5) which can be detachably fixed in a locking position. To this end the treatment element or a holding device forming part thereof such as a , retaining wire (4a), is inserted in the operating position into a hole (6) extending …
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
- Filed January 14, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 14, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 14, 2020.
- 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.