Earth retaining wall of vertically stacked chevron shaped concrete blocks
Patent 4193718 Issued on March 18, 1980. Estimated Expiration Date: 
July 10, 1998. 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.
July 10, 1998. 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 2882689 3210944 3686873 Inventors
AssigneeApplicationNo. 05/923284 filed on 07/10/1978US Classes:405/286, Concrete405/262With retaining wallExaminersPrimary: Grosz, AlexanderAttorney, Agent or FirmInternational ClassesE02B 3/06 (20060101)E02D 29/02 (20060101) Foreign Application Priority Data1977-07-11 DEAbstractAn earth retaining wall formed by stacked, alternately staggered rows of spaced, nesting, chevron-shaped concrete blocks. Adjacent blocks in some rows are coupled together by connecting tubes extending into holes through the blocks, and elongated anchoring devices are connected to the tubes and extend horizontally into the earth. Alternatively, the anchoring devices may be concrete extensions integrally moulded with the blocks. | |
