Shank mounting assembly for soil opening point
CA 1283328 C · Owner: Acra-Plant, Inc. · Inventors: Robertson, Forrest E.; Williams, Donald E.
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 shank mounting assembly for a soil opening point permits adjustment of the spacing between a pair of mounting bolts of the assembly for permitting attachment of the assembly to farm implement shanks having bolt holes of various spacings. The assembly includes an elongated adapter having a hidden, internal cavity to which access is gained only by an elongated slot on the backside of the adapter. The cavity and slot are so dimensioned that while the bolts may move lengthwise within the slot for positioning adjustment, the enlarged heads of the bolts remain in the cavity and cannot pass through the slot. By having the cavity accessible only from the back of the …
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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 23, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 23, 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.