Pile
CA 1046781 A · Owner: Pynford Limited · Inventors: Pryke, John F.S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
PILE, Abstract of the Disclosure, A friction pile has an elongate columnar body which extends at least 1 m. down into the ground and is arranged to carry a structural load at its upper end. A number of rods or other elongate elements each of, smaller cross-sectional area than said body are connected, at their upper ends to the pile body and extend in a direction with a downward component into the ground to shed at least a major portion of the structural load into the ground. At least some of the elongate elements extend outwards and downwards from the side of the pile body. - 1 -
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 January 23, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 23, 1996.
- 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.