Driven pile with transverse broadening in situ
Patent 4733994 Issued on March 29, 1988. Estimated Expiration Date: 
November 24, 2006. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 24, 2006. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1026402 1762341 2198964 2468729 2812200 2878649 2881591 3628337 Drilling tool Patent #: 4091882 InventorApplicationNo. 06/934620 filed on 11/24/1986US Classes:405/244, With anchoring of structure405/232, Process or apparatus for installing405/52FLUID CONTROL, TREATMENT, OR CONTAINMENTExaminersPrimary: Taylor, Dennis L.Attorney, Agent or FirmInternational ClassesE02D 5/54 (20060101)E02D 5/22 (20060101) E02D 5/34 (20060101) E02D 5/44 (20060101) E02D 5/80 (20060101) Foreign Application Priority Data1984-04-06 IDAbstractA pile element is disclosed for supporting a structure after being driven into a soil stratum. The pile element includes a pile body defining an exterior surface of the pile. At least one plate is adapted to be retained substantially within the pile body during driving of the pile. The at least one plate is caused to protrude sideways from the pile body upon completion of driving of the pile. | |
