Earth anchors
CA 1234672 A · Owner: Gearhart Australia Limited · Inventors: Tucker, Michael C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An earth anchor comprising an insertable shank portion and a locking means for securing the anchor in an earth formation has one or more locking members captively associated with the insertable shank portion the, one or more locking members being either tiltable or rotatable relative to the shank whereby the insertable portion is inserted into a borehole in an earth formation and upon tensioning of the shank the one or more locking members wedgingly engage with the wall of the borehole to anchor the device within the borehole. The device has particular application as a means for suspending utility conduits and the like against the wall or floor of an underground excavation.
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 April 5, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 5, 2005.
- 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.