Suitable to be patented; entitled by law to be protected by the issuance of a patent Heath Cycle Co. v. Hay (C. C.) 67 Fed. 246; Maier v. Bloom (C. C.) 95 Fed. 166; Boyd v. Cherry (G. C.) 50 Fed. 282; Providence Rubber Co. v. Goodyear, 9 Wall. 796, 19 L. Ed. 566.