PATENTS ISSUED. Patents issued to citizens of the United States, with the ratio of population to each patent granted. The following tables present a comparative statement of the business of the Patent Office since the enactment of the statute of 1836, and exhibit in detail the business of the Office during the last calendar year: Comparative statement of the business of the Office from 1837 to 1911, inclusive. 1866. 1,932 6,616 348,791.84 15,269 2,723 9,450 495,665.38 182,810.39 32,944.06 6,179.15 11, 051.98 74,592.50 133,941.10 Comparative statement of the business of the Office from 1887 to 1911, inclusive-Continued. Statement showing the number of the first patent, design patent, and reissued patent, and the number of the first certificate of registration of a trade-mark, label, and print issued in each calendar year since July 28, 1836, when the present series of numbers of letters patent commenced, together with the total number of each issued during the year. [The number of patents granted prior to the commencement of this series of numbering (July 28, 1836) was 9,957.] Number of first patent and certificate issued in each Number of patents and certificates of registration issued 1,024, 378.85 105, 219.04 163,710.30 162,047.95 2,251 150,037.38 20,506 1,118, 516. 10 40,575 2,481 973, 108.78 24,158 1,281,728.05 1,052, 955.96 41,048 2,311 26,292 1,340, 372.66 2,408 23,244 1,271,285.78 2,290 23,559 1,286, 331.88 2,247 23,769 1,242,871.64 2.415 22,057 1,245, 246.93 2,271 23,373 1,324, 059.83 1,375, 641.72 1,325, 457.03 1,731 26,499 1,842 1,350, 828. 53 1,552,859.08 1,642, 201.81 1,808 30,934 1,657,326.53 1,806, 758. 14 1,885 31,965 1,790, 921. 38 1,554, 891. 20 1,910, 618. 14 1,631, 458. 36 1,896, 847.67 1,712, 303. 42 1,948 37,421 2,042, 828.14 1,955, 151.14 2,025, 536.69 34,084 2,019, 388.03 |