Mining machine for extraction of minerals
CA 1186704 A · Owner: Gosudarstvenny Proektno-Konstruktorsky I Experimentalny Institut Ugolnogo Mashinostroenia "Giprouglemash" · Inventors: Gaponov, Valery M.; Masovich, Felix Z.; Spektor, Jury N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A mining machine comprises a body drum-type cutt-, ing heads, a gantry coupled with the body adjustable hyd-, raulic supports disposed inside the body grippers hinge-, connected to the body by means of levers located is Parallel to one another and adapted to permit moving the ma chine in a vertical direction, and links each coupled, with the respective top lever and with the respective hydraulic support.
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 7, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 7, 2002.
- 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.