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Check the age of a U.S. Patent,
Reissue,
Design, or Trademark by its number - 1836 to 1960.
Year
|
1st
Patent
|
1st Reissue
|
1st
Design
|
1st
Trademark
|
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1958
1859
1860 |
1
110
546
1,061
1,465
1,923
2,413
2,901
3,395
3,873
4,348
4,914
5,409
5,993
6,981
7,865
8,622
9,512
10,358
12,117
14,009
16,324
19,010
22,477
26,642 |
1
7
20
30
36
49
60
67
78
91
105
128
158
184
209
229
258
286
337
420
517
643
874 |
1
15
27
44
103
163
209
258
341
431
540
626
683
753
860
973
1,075
1,183 |
|
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880 |
31,005
34,045
37,266
41,047
45,685
51,784
60,658
72,959
85,503
98,460
110,617
122,304
134,504
146,120
158,350
171,641
185,813
198,733
211,078
223,211 |
1,106
1,253
1,369
1,596
1,844
2,140
2,430
2,830
3,250
3,784
4,223
4,687
5,216
5,717
6,200
6,831
7,452
8,020
8,529
9,017 |
1,366
1,508
1,703
1,879
2,018
2,239
2,533
2,858
3,304
3,810
4,547
5,452
6,336
7,083
7,969
8,884
9,686
10,385
10,975
11,567 |
1
122
608
1.099
1,591
2,150
3,288
4,247
5,463
6,918
7,790 |
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900 |
236,137
251,685
269,820
291,016
310,163
333,394
355,291
375,720
395,305
418,665
443,987
466,315
488,976
511,744
531,619
552,502
574,369
596,467
616,871
640,167 |
9,523
9,994
10,265
10,432
10,548
10,677
10,793
10,892
10,978
11,053
11,137
11,217
11,298
11,397
11,461
11,520
11,581
11,646
11,706
11,798 |
12,082
12,647
13,508
14,528
15,678
16,451
17,047
17,995
18,830
19,553
20,439
21,275
22,092
22,994
23,922
25,037
26,482
28,113
29,916
32,055 |
8,139
8,973
9,920
10,822
11,843
12,910
13,939
15,072
16,131
17,360
18,775
20,537
22,274
23,951
25,757
27,586
29,399
31,070
32,308
33,957 |
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920 |
664,827
690,385
717,521
748,567
778,834
808,618
839,799
875,679
908,436
945,010
980,178
1,013,095
1,049,326
1,083,267
1,123,212
1,166,419
1,210,389
1,251,458
1,290,027
1,326,899 |
11,879
11,960
12,070
12,189
12,299
12,428
12,587
12,738
12,906
13,066
13,189
13,346
13,504
13,668
13,858
14,040
14,238
14,417
14,582
14,785 |
33,813
35,547
36,187
36,723
37,280
37,766
38,391
38,980
39,737
40,424
41,063
42,073
43,415
45,098
46,813
48,358
50,117
51,629
52,836
54,359 |
35,678
37,606
39,612
41,798
43,956
48,446
59,014
66,892
72,083
76,267
80,506
84,711
89,731
94,796
101,613
107,875
114,666
120,005
124,066
128,274 |
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940 |
1,364,063
1,401,948
1,440,362
1,478,996
1,521,590
1,568,040
1,612,790
1,654,521
1,696,897
1,742,181
1,787,424
1,839,190
1,892,663
1,941,449
1,985,878
2,026,516
2,066,309
2,104,004
2,142,080
2,185,170 |
15,018
15,257
15,513
15,739
15,974
16,240
16,515
16,841
17,176
17,550
17,917
18,312
18,705
19,038
19,409
19,804
20,226
20,610
20,959
21,311 |
56,844
60,121
61,748
63,675
66,346
69,170
71,772
74,159
77,347
80,254
82,966
85,903
88,847
91,258
94,179
98,045
102,601
107,738
112,765
118,358 |
138,556
150,210
163,003
177,848
193,597
207,437
222,401
236,987
251,129
265,655
278,906
290,313
299,926
309,066
320,441
331,338
342,070
353,324
363,536
374,062 |
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960 |
2,227,418
2,268,540
2,307,007
2,338,081
2,366,154
2,391,856
2,413,675
2,433,824
2,457,797
2,492,944
2,536,016
2,580,379
2,624,046
2,664,562
2,698,434
2,728,913
2,775,762
2,818,567
2,866,973
2,919,443 |
21,683
21,992
22,242
22,415
22,585
22,706
22,827
22,957
23,068
23,186
23,315
23,449
23,612
23,763
23,918
24,105
24,263
24,413
24,584
24,761 |
124,503
130,989
134,717
136,946
139,862
143,386
146,165
148,267
152,235
156,686
161,404
165,568
168,527
171,241
173,777
176,490
179,467
181,829
184,204
186,973 |
384,047
392,581
399,378
404,974
411,001
418,494
426,610
435,590
441,742
443,654
535,490
552,624
568,680
584,242
600,188
618,396
639,154
656,643
671,998
690,716 |
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