Having relation to, or mechanism or machinery. Used chiefly in patent law. See compound terms infra. Mechanical equivalent. A device which may be substituted or adopted, instead of another, by any person skilled in the particular art from his knowledge of the art, and which is competent to perform the same functions or produce the same result, without introducing an original idea or changing the general idea of means. Johnson v. Root, 13 Fed. Cas. 823; Smith v. Marshall, 22 Fed. Cas. 595; Alaska Packers’ Ass’n v. Letson (C. C.) 119 Fed. 611; Jensen Can Filling Mach. Co. v. Norton, 67 Fed. 239, 14 C. C. A. 383; Adams Electric R. Co. v. Lindell R. Co., 77 Fed. 440, 23 a C. A. 223.Mechanical movement. A mechanism transmitting power or motion from a driving part to a part to be driven; a combination and arrangement of mechanical parts intended for the translation or transformation of motion. Campbell Printing Press Co. v. Miehle Printing Press Co., 102 Fed. 159, 42 C. C. A. 235.Mechanical process. See Process.Mechanical skill. As distinguished from invention or inventive capacity, this term means such skill, intelligence, ingenuity, or constructive ability in the adaptation of means to ends as would be possessed and exhibited by an ordinarily clever mechanic in the practice of his particular art or trade. See Hollister v. Benedict & B. Mfg. Co., 113 U. S. 59, 5 Sup. Ct. 717, 28 L. Ed. 901: Johnson Co. v. Pennsylvania Steel Co., 67 Fed. 942; Perfection Window Cleaner Co. v. Bos ley, 2 Fed. 577; Stimpson v. Woodman, 10 Wall. 117, 19 L. Ed. 866.