Wrinkle indicator tape strip and method of using the same
CA 2446277 C · Owner: Gott, Robert Edward · Inventors: Slavtcheff, Craig Stephen; Telesca, Josephine; Murray, Liam Anthony
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A test kit and method for visualizing fine lines and wrinkles is provided the , kit including a transparent strip (2) with an adhesive on one surface thereof and an imaging substrate with at least one darkened glossy area for receiving the transparent strip. Written instructions are provided in the kit. These advise a consumer to place the adhesive surface of the strip against a skin area requiring measurement. Thereafter the strip is removed and placed against the darkened area of the substrate. Topographical features of the skin can be viewed through the transparent strip with the transferred skin image onto the blackened background. A cosmetic anti-aging product can be applied to …
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 May 6, 2002 and granted June 28, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 6, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 6, 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.