alot of their stuff is is used in alot of their monuments..Oh
including our money....§ 1302. Designs not subject to protection3
Protection under this chapter shall not be available for a design that is —
(1) not original;
(2) staple or commonplace, such as a standard geometric figure, a familiar symbol, an emblem, or a motif, or another shape, pattern, or configuration which has become standard, common, prevalent, or ordinary;
source: www.copyright.gov...
...