Thermochromic artificial nail
CA 1316787 C · Owner: Nakasuji, Norikazu · Inventors: Shibahashi, Yutaka; Nakasuji, Norikazu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a thermochromic artificial nail comprising an artificial nail having provided thereon a - thermochromic layer, which comprises a thermochromic material changeable in visible external color in response to a change in temperature wherein, said thermochromic layer has a thickness of at least 1 µm.
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
- Granted April 27, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 27, 2010.
- 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.