Section 4900. It shall be the duty of all patentees, and their assigns and legal representatives, and of all persons making or vending any patented article for or under them to give sufficient notice to the public that the same is patented: either by fixing thereon the word "patented," together with the day and year the patent was granted; or when, from the character of

45 Ager vs. Murray, 105 U. S., 126.

46 Newton vs. Buck, 77 Fed. Rep., 614.

47 Peterson vs. San Francisco, 115

Cal., 211.

49 Nesmith vs. Calvert, 1 Woodb.

& M. (U. S.), 34. 49 Dalzell vs. Dueber

Mfg. Co., 149 U. S., 319. 50 Jewett vs. Atwood Suspender

Co., 100 Fed. Rep., 647.