(under subclass 15) Method or apparatus wherein erosion of a bank or shore is prevented by an object or material resting or and supported by the bank or shore and which is substantially co-extensive with the area that is subject to erosion.
(1) Note. Whether a wall-like structure is a revetment or a retaining wall is determined solely by its support relationship to the earth. If the earth is supported by the structure, then the structure is considered to be a retaining wall. In those instances where the structure rests upon and covers the earth which is subject to erosion, it is a revetment.
