Method and apparatus for forming a trench
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United States of America Patent
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Feb 19, 1991
Issued Date -
N/A
app pub date -
Jul 7, 1989
filing date -
Mar 17, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device for forming a trench having a pair of frame members, connecting rods disposed between the frame members to maintain the frame members in a fixed position relative to each other, anchoring means attached to the frame members for positioning the frame members relative to the ground and a form removably held in a fixed position between the frame members having an upper surface and a shaped lower surface, the shaped lower surface providing means for molding a moldable trench composition into the shape.
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