Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control
Reexamination Certificate
2007-01-23
2007-01-23
Lagman, Frederick L. (Department: 3673)
Hydraulic and earth engineering
Fluid control, treatment, or containment
Flow control
C405S118000, C405S049000
Reexamination Certificate
active
10837213
ABSTRACT:
The specification and drawing figures describe and show one or more improved ditch liners removably assembled into an improved ditch liner system. The improved ditch liner system includes a first liner section and a second liner section. Both liner sections are formed with a plurality of tightly peaked arc-and-ridge corrugations. Also included is a novel and unique overlap connection assembly for removably connecting one liner section to another liner section. In addition, various ways for sealing the overlap connection assembly are included. The interconnected system of improved ditch liner sections may be secured in a ditch by one or more removable rods. This abstract is provided to comply with rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure, but this abstract is not to be used to interpret or limit the scope or meaning of any claim.
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FastDitch, Inc.
Lagman Frederick L.
Regan Ray R.
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