US 12,319,363 B2
System and apparatus for reducing the aerodynamic drag of a vehicle or trailer
Stephen Edward Tongue, Hampden, MA (US); and Joseph Robert Hamm, Monson, MA (US)
Assigned to Streamliners, Inc., Monson, MA (US)
Filed by Stephen Edward Tongue, Hampden, MA (US); and Joseph Robert Hamm, Monson, MA (US)
Filed on May 16, 2022, as Appl. No. 17/745,050.
Claims priority of provisional application 63/181,468, filed on Apr. 29, 2021.
Prior Publication US 2023/0001990 A1, Jan. 5, 2023
Int. Cl. B62D 35/00 (2006.01); B60R 19/56 (2006.01)
CPC B62D 35/001 (2013.01) [B60R 19/56 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A rear impact guard, comprising:
at least one vertical member; and
a horizontal member connected to the at least one vertical member, the horizontal member having a plurality of through passages extending continuously through the horizontal member allowing for air flow entirely through the horizontal member.