Method and an apparatus for taking soil samples
CA 1322872 C · Owner: Ashworth, John · Inventors: Ashworth, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of taking soil samples consisting of the steps of; cutting a slit trench along a path transverse to bands of fertilizer in the soil; and taking a thoroughly intermixed sample from the cuttings. The samples are taken using a chain saw with a soil sampling attachment. The soil sampling attachment consists of a container with an open mouth having a slot across the mouth, A blade of a chain saw is disposed in the slot. Upon activation of the chain saw soil cuttings drop from the blade through the mouth to accumulate in the container. A bracket secures the container to the chain saw.
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 October 12, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 12, 2010.
- 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.