Teeth cleaning device
CA 2409908 C · Owner: Stratmann, Martin · Inventors: Reick, Hansjorg; Vorbeck, Wolfgang; Hilscher, Alexander
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 handle (10) of an electric teeth cleaning device comprising a coupling element (30) for mechanically coupling a brush (20) a , drive (22) for the brush (20) and a control function (18) for the drive (22) said control function (18) comprising an operation locking function (36) which can be activated and deactivated by a release function (38) in , particular of the brush (20). The handle (10) has a read function (44) and a coil (46) as a coupling function for the contactless transmission and reading of single or multiple data of the release function (38). The operation locking function (36) is activated or deactivated in accordance with an output signal of the …
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 February 19, 2002 and granted May 10, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 19, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 19, 2024.
- 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.