Reversible rabble tooth for furnaces
CA 1053462 A · Owner: Sterling Drug Inc. · Inventors: Carroll, Richard F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An insertable and reversible rabble tooth for the rabble arms of furnaces including specially shaped wedges to clamp the rabble teeth to the rabble arm in either in hearth condition or in out hearth condition by reversing the positions of the wedges and reversing the positions of the teeth held by the wedges.
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 May 1, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 1, 1996.
- 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.