Propeller
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United States of America Patent
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-
Dec 5, 2006
Issued Date -
N/A
app pub date -
Apr 29, 2003
filing date -
Apr 29, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A propeller or propeller blade is manufactured using lattice block material to provide a structure which is generally hollow but for a three-dimensional lattice of support spars. The propeller or propeller blade, being predominately hollow, is substantially lighter than a solid cast propeller or propeller blade while retaining the desired strength due to the three-dimensional lattice of support spars.
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