Passive dental appliances of fiber-reinforced composites
CA 1304610 C · Owner: University Of Connecticut (The) · Inventors: Burstone, Charles J.; Goldberg, A. Jon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Nonforce-imparting or passive dental components and appliances are provided possessing not only greater stiffness and strength but also generally higher mechanical properties than those exhibited by the commonly used dental polymers. They also are more esthetic and easier to process form and adjust than, dental metallic alloys thereby allowing for superior and unique designs. The passive dental appliances or structural components are fabricated from an effective fiber reinforced composite material comprised essentially of a polymeric matrix and a fiber component embedded within the matrix. "The fiber component of the composite material constitute greater than 20 percent by weight of the …
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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 July 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 7, 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.
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.