Arrangement for transporting soil from the bottom of basins
CA 1075729 A · Owner: Vsesojuzny Nauchno-Issledovatelsky I Proektny Institut Zolotodobyvajusch Ei Promyshlennosti (Vniiprozoloto) · Inventors: Istoshin, Stanislav J.; Lezgintsev, Georgy M.; Koptyazhin, Nikolai N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to an apparatus for transporting particulate material from the bottom of basins. The apparatus includes a flexible container having container sections each, section of the container including at least a load chamber and a float chamber. The float chamber is made of a gas and waterproof material. A feeder feeds batched feeds of the solid material to a respective load chamber of the respective section. An unloader unloads the solid material from the respective load chamber on emergence of the respective section from the basin. A filler fills a respective load chamber of the respective section with gas upon filling of the respective load chamber with the solid material. A …
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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 April 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 15, 1997.
- 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.