Structure to contain natural and/or artificial embankments
Patent 5108232 Issued on April 28, 1992. Estimated Expiration Date: 
January 30, 2011. 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.
January 30, 2011. 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 ReferencesMethod and apparatus for construction of retaining walls Concrete construction element system for erecting plant accommodating walls Building blocks Cribwalling Concrete retaining wall block Retaining wall construction element Retaining wall system Patent #: 4815897 InventorAssigneeApplicationNo. 647772 filed on 01/30/1991US Classes:405/286, Concrete405/273, Cribbing405/284, Retaining wallD25/113, Construction block or brick type (20)D25/138Panel, tile or applique or floor, wall, roof, etc. (24)ExaminersPrimary: Corbin, David H.Attorney, Agent or FirmInternational ClassE02D 029/02Foreign Application Priority Data1990-02-28 ITAbstractA structure for the containment of natural and/or artificial embankments, said structure being made up of a plurality of modular envelopes (1), each one of said envelopes (1) being made up of a tub-like fore member (2), whose fore wall (5) is at a slope with respect to the vertical direction; as well as of two transverse members (4) which are provided with fore hammer-like members (8, 9), i.e., lower and upper hammer-like members, which members couple with a suitable seat (7) obtained in the side walls (6) of said tube-like member (2) belonging to the same envelope (1) and to that in the adjacent position; and of a back longitudinal member (3) that bears on its side ends hammer-like members (12, 13) for realizing the coupling with corresponding hammer-like members (10, 11) provided at the back position on the transverse members (4) of the envelope (1) to which it belongs or of the upper envelope. | |
