Bridging system for allowing vehicles to clear breaches
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United States of America Patent
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Jul 23, 1991
Grant Date -
N/A
app pub date -
Jul 5, 1990
filing date -
Jul 6, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A bridging system for clearing a breach comprising at least two identical beams rigidly connectable endwise and including each one at least one supporting structure having treadways at the upper portion and two noses pivoted to both ends, respectively, of the supporting structure so that each nose assumes a position folded back onto the structure and a position extended in prolongation of the latter.
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