Expired Canadian patentCanada
Novelty compositions with color changing indicator
CA 2603375 C · Owner: C2C Technologies Llc · Inventors: Kehoe, Timothy D.; Balchunis, Robert J.; Sabnis, Ram W.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Compositions and methods for producing novel paints bubbles, markers and , cosmetics are described.
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 March 29, 2006 and granted August 23, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 29, 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.
FiledMarch 29, 2006
GrantedAugust 23, 2016
Term endedMarch 29, 2026
Patent numberCA 2603375 C
Classification (IPC)C09D5/00 +2 more
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.