Sample splitter
CA 1293391 C · Owner: Marrs, Gevan Rickey · Inventors: Marrs, Gevan Rickey; Prieve, Kathryn Ann
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is a sample splitter used to divide a larger sample of particulate material into representative smaller portions. The device uses a fixed conical sample splitter oriented with it apex upwards. Resting on this and translatable upwards is a sample receiving hopper. The hopper has open top and bottom ends. When receiving a sample to be divided, the bottom of the hopper rests on the splitter cone to form a sample retaining seal. When the hopper is raised the sample falls by gravity, around the splitter cone. An appropriately sized sample receiver located below the splitter cone receives the desired fraction. A generally cylindrical skirt is coaxially located below the …
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 December 24, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 24, 2008.
- 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.