Art
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
A principle put in practice, and applied to some art, machine, manufacture, Copper-plate printing on the back of a banknote is an art for which a patent may be granted.
4 Wash. C. C. (U. S.) 9.