Patent ID: 11939002
Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Field: Transport (Mechanical engineering)
Classification: CPC B  Y | IPC B

Claim 0:
1. A structural assembly comprising:
a frame comprising a wall at least partially defining an interior region; and
a plurality of panels disposed at least partially in the interior region and coupled to the frame, the plurality of panels comprising,
a first panel defining a substantially planar first body and comprising a first surface and a second surface opposite the first surface, the first surface defining a first plurality of depressions and the second surface defining a first plurality of protrusions complementary to the first plurality of depressions that together define a first pattern of discrete shapes distributed within the substantially planar first body, and
a second panel coupled to the first panel, the second panel defining a substantially planar second body and comprising a third surface and a fourth surface opposite the third surface, the third surface defining a second plurality of depressions and the fourth surface defining a second plurality of protrusions complementary to the second plurality of depressions that together define a second pattern of discrete shapes distributed within the substantially planar second body, the first panel being coupled to the second panel.