Integral heel tree length grapple
CA 1209173 A · Owner: Amca International Limited/Amca International Limitee · Inventors: Keats, Kevin; Kurelek, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is provided a grapple for lifting and manoeuvring elongated items, which includes a main frame and a subframe, the two frames being pivotally mounted with respect to each other about a substantially vertical axis. The sub frame includes grappling means, and heel means which are capable of receiving elongated items. Means are provided for rotating the sub-frame with respect to the main frame. The heel is fixed with respect to the sub-frame and is spaced from the grappling means.
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 August 5, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 5, 2003.
- 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.