Concrete construction element system for erecting plant accommodating walls
Patent 4190384 Issued on February 26, 1980. Estimated Expiration Date: 
August 9, 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.
August 9, 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 2514536 2888779 3374574 InventorApplicationNo. 05/932449 filed on 08/09/1978US Classes:405/284, Retaining wall47/83, Vertical array52/609, Faces with offset edgesD11/143Flower or plant holder (18)ExaminersPrimary: Murtagh, John E.Attorney, Agent or FirmInternational ClassesE01F 8/02 (20060101)E02D 29/02 (20060101) Foreign Application Priority Data1975-04-30 DEAbstractDisclosed is a system of construction elements for the erection of plant-accommodating, slope-retaining walls comprising L-shaped longitudinal elements arranged in multilevel relationship, having a horizontally extending base plate portion and an upwardly extending railing portion; and sectional support elements acting as vertical spacers for the longitudinal elements extending horizontally in a direction perpendicular to the direction of the longitudinal elements and having upper and lower seating surfaces adapted for communication with the base plate portion of the longitudinal element; wherein a slope-retaining wall formed from the L-shaped longitudinal elements and the sectional support elements capable of dividing shearing forces acting on the wall vertically and longitudinally so that the wall stands erect, retains a slope surface and provides areas for the accommodation of plants, small foliage or the like.Field of SearchRetaining wall | |
