Scented sink strainer/stopper
CA 2613199 C · Owner: Wolf, Thomas H. · Inventors: Wolf, Thomas H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
We provide a sink , drain air freshener container that is generally used with sink cover or a , sink strainer/stopper. The air freshener container contains a plastic- based air freshener that emits the fragrance for at least 20 days after being unwrapped and placed in use in a sink. The air , freshener container has perforations to enable the container to be drained. The strainer/stopper is preferably , made of disposable plastic and the container is preferably part of the top portion of the strainer/stopper stem , that is used in conjunction with the strainer/stopper perforated basket.
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 April 27, 2006 and granted December 3, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 27, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.