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US 4,307,975 AGranted
Water flow control system
OwnerLeroy M. Heitmaninventor
Life of this patent
Estimating the term…
Abstract
A water flow control system for surface water on a hillside wherein down drains and terrace drains are so shaped as to have a larger cross-section at those points where larger amounts of water are to be carried. Thus the down drain or drains are progressively larger at lower elevations and terrace drains are larger closer to the down drains to which they are connected. The terrace drains are so shaped and formed in the side of the slope as to eliminate the need for terrace pads, and thus are formed with opposite edges which are aligned with and in the plane of the slope itself.
Claims8
Hillside water flow control system comprising in combination,
- a network of water conducting channels formed in a hillside of predetermined continuous slope free of pads, benches and the like and comprising at least one down drain and one or more terrace drains connected to said down drain,
- said terrace drain being cut into and along said slope such that its upper and lower edges are in the same plane as said slope.
Dependencies are inferred from the claim text.