Mineral breaker
CA 1266261 C · Owner: Potts, Alan · Inventors: Potts, Alan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A mineral breaker including at least one breaker drum carrying a plurality of breaker teeth projecting radially therefrom, at least one breaker tooth comprising a tooth core projecting radially outwardly of the drum and having leading and trailing faces, an open sided tooth sheath including a leading wall and a trailing wall connected to one another at one end by a connecting wall which forms the terminal end of the tooth the inner sur-, faces of the leading and trailing walls of the tooth sheath having flat faces which abut against opposed flat faces on the tooth core.
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 February 27, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 27, 2007.
- 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.