Expired Canadian patentCanada
Fast-setting casting tape
CA 1306645 C · Owner: Yoon, Hee Kyung · Inventors: Yoon, Hee Kyung
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, A fast setting casting tape made with a polyurethane prepolymer prepared with a hydrophilic polyol and an isocyanate. The casting tape has faster setting times than casting tapes made with hydropholic polyols. &J-1195
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 August 25, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 25, 2009.
- 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 10, 1987
GrantedAugust 25, 1992
Term endedAugust 25, 2009
Patent numberCA 1306645 C
Classification (IPC)A61F13/04 +1 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.