UNITED STATES PATENT OFFICE.

Comparative statement from 1837 to 1875, inclusive.

Patents

issued.

Year.

1837..

1838.

1839.

1840...

1841...

1842..

1843.

1844.

1845...

1846.

1847...

1848.

1849...

1850...

1851...

1852..

1853.

1854..

1855.

1856...

1857.

1858.

1859.

1860.

1861.

1862.

1863.

1864.

1865.

1866.

1867.

1868.

1869.

1870.

1871.

1872.

1873.

1874.

1875

Applica-
tions.

18,246

20,414

502

502

619

572

660

1,070

995

865

2,258

2,639

2,673

3,324

4,435

4,960

4,771

5,364

6,225

4,538

7,653

4,819

4,643

3,340

5,038 3,521

6,014

4,170

6,932

5,020

10,664

6,616

15,269

21,276

20,420

19,271

19,171 13,321

19,472 13,033

13,590

12,864

1,020

958

1,902

2,024

2,502

2,910

3,710

9,450

13,015

13,378

13,986

21,602

13,599 21,638 16,288

Cash received.

$29,289 08

42,123 54

37,260 00

38,056 51

40,413 01

36,505 68

35,315 81

42,509 26

51,076 14

50,264 16

63,111 19

67,576 69

80,752 98

86,927 05

95,738 61

112,656 34
121,527 45

163,789 84

216,459 35

192,588 02

196,132 01

203,716 16

245,942 15

256,352 59

137,354 44

215,754 99

195,593 29

240,919 98

348,791 84

495,665 38

646,581 92

681,565 86

693,145 81

669,456 76

678,716 46

699.726 39

703,191 77

738,278 17

743,453 36

Cash expended.

$33,506 98

37,402 104

34,543 51

39,020 67

52,666 87

31,241 48

30,776 96

36,244 73

39,395 65

46,158 71

41,878 35

58,905 84

77,716 44

80,100 95

86,916 93

95,916 91

132,869 83

167,146 32

179,540 33

199,931 02

211,582 09

193,193 74

210,278 41

252,820 80

221,491 91

182,810 29

189,414 14

229,868 OC

274,199 34

361,724 28

639,263 32

628,679 77

486,430 78

557,149 19

560,595 08

665,591 36

691,178 98

679,288 41

721,657 71

TABLE.-Showing the number of Patents issued for each of the following mechanical devices since the organization of the U. S. Patent Office :

Bee-hives....
Bending-machines for wood and metal.

Boots and shoes, manufacture of, and articles used

therein...

Brick-kilns and brick-machines.

Bridges.

Brooms and brushes, and their attachments

Buckles...

Burglars-alarms

Burners, gas, lamp, and vapor.

Cane-mills..

Corn-planters
Corn-shellers.

Cotton-planters

Cultivators

Car-brakes..

Car-coupling.
Car-wheels..

Total number of patents issued since 1836...
Total number of reissues.
Total number of designs..

'Total number of trade-marks.

Total number of labels.....

From the Report of the U. S. Commissioner of Patents.

404

346

384

570

756

1,552

170

69

61

141

579

50

26

334

58

13

191

732

1,981

2,295

1,013

2,400

401

343

566

300

197

1,497

171,640

6,830

8,883

3,287

464

Year.

1790

1800

1810

1820

1830

1840

1850

1860

1870

1878

1876

1879

POSTAL STATISTICS OF THE UNITED STATES.

No. of Post Offices. Miles of Post Roads.

75

8,875

903

20,817

2,300

36,070

4,500

72,492

8,450

115,176

13,486

155,739

18,417

178,672

28,498

240,594

Postal Income.

$37,937.00

280,804.00

551,684.00

1,111,927.00

1,919,300.00

4,543,422.92

5,499,986.86

9,218,067.40

19,772,220.65

22,996,741.57

27,895,908.00

30,041,983.00

Postal Expense.
$32,140.00

231,905.00

404,968.00

1,160,926.00

1,959,100.00

4,718,325.64

5,212,953.43

14,874,772.89

23,998,837.63

29,084,945.67

33,263,488.00

33,449,899.00

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