Aerodynamic projectile
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United States of America Patent
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-
May 21, 2019
Grant Date -
Jan 25, 2018
app pub date -
Sep 1, 2017
filing date -
Jan 27, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A projectile has a front portion and a cylindrical portion. The cylindrical portion comprises a cylindrical sidewall having an outer surface and an inner surface. The projectile also has a plurality of depressions in the cylindrical sidewall. The depressions have an outlet adjacent the second end, an inlet toward the first end and a neck area between the inlet and the outlet. A width of the inlet is smaller than a width of the outlet. The depressions at the neck area have a curved sidewall, but a generally straight sidewall between the neck area and the outlet. The surface of the depression extends at a ramp angle from the outer surface of the sidewall at the inlet of the depression toward the inner surface of the sidewall at the outlet.
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