Patent Date Chart

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Mechanical Nature Antiques

Below is a chart giving the year and patent numbers issued during that year.  See special notes and further info at the bottom of the page.

United States Patent Date Chart - 1836 - 1965

Year             Patent #       Year                 Patent #
-------------------------       -----------------------------
1836              1 - 109       1900        640,167 - 664,826
1837            110 - 545       1901        664,827 - 690,384
1838          546 - 1,060       1902        690,385 - 717,520
1839        1,061 - 1,464       1903        717,521 - 748,566
1840        1,465 - 1,922       1904        748,567 - 778,833
1841        1,923 - 2,412       1905        778,834 - 808,617
1842        2,413 - 2,900       1906        808,618 - 839,798
1843        2,901 - 3,394       1907        839,799 - 875,678
1844        3,394 - 3,872       1908        875,679 - 908,435
1845        3,873 - 4,347       1909        908,436 - 945,009
1846        4,348 - 4,913       1910        945,010 - 980,177
1847        4,914 - 5,408       1911      980,178 - 1,013,094
1848        5,409 - 5,992       1912    1,013,095 - 1,049,325
1849        5,993 - 6,980       1913    1,049,326 - 1,083,266
1850        6,981 - 7,864       1914    1,083,267 - 1,123,211
1851        7,865 - 8,621       1915    1,123,212 - 1,166,418
1852        8,622 - 9,511       1916    1,166,419 - 1,210,388
1853       9,512 - 10,357       1917    1,210,389 - 1,251,457
1854      10,358 - 12,116       1918    1,251,458 - 1,290,026
1855      12,117 - 14,008       1919    1,290,027 - 1,326,898
1856      14,009 - 16,323       1920    1,326,899 - 1,364,062
1857      16,324 - 19,009       1921    1,364,063 - 1,478,995
1858      19,010 - 22,476       1922    1,401,948 - 1,440,361
1859      22,477 - 26,641       1923    1,440,362 - 1,478,995
1860      26,642 - 31,004       1924    1,478,996 - 1,521,589
1861      31,005 - 34,044       1925    1,521,590 - 1,568,039
1862      34,045 - 37,265       1926    1,568,040 - 1,612,699
1863      37,266 - 41,046       1927    1,612,700 - 1,654,520
1864      41,047 - 45,684       1928    1,654,521 - 1,696,896
1865      45,685 - 51,783       1929    1,696,897 - 1,742,180
1866      51,784 - 60,657       1930    1,742,181 - 1,787,423
1867      60,658 - 72,958       1931    1,787,424 - 1,839,189
1868      72,959 - 85,502       1932    1,839,190 - 1,892,662
1869      85,503 - 98,459       1933    1,892,663 - 1,941,448
1870     98,460 - 110,616       1934    1,941,449 - 1,985,877
1871    110,617 - 122,303       1935    1,985,878 - 2,026,515
1872    122,304 - 134,503       1936    2,026,516 - 2,066,308
1873    134,504 - 146,119       1937    2,066,309 - 2,104,003
1874    146,120 - 158,349       1938    2,104,004 - 2,142,079
1875    158,350 - 171,640       1939    2,172,080 - 2,185,169
1876    171,641 - 185,812       1940    2,185,170 - 2,227,417
1877    185,813 - 198,732       1941    2,227,418 - 2,268,539
1878    198,733 - 211,077       1942    2,268,540 - 2,307,006
1879    211,078 - 223,210       1943    2,307,007 - 2,338,080
1880    223,211 - 236,136       1944    2,338,081 - 2,366,153
1881    236,137 - 251,684       1945    2,366,154 - 2,391,855
1882    251,685 - 269,819       1946    2,391,856 - 2,413,674
1883    269,820 - 291,015       1947    2,413,675 - 2,433,823
1884    291,016 - 310,162       1948    2,433,824 - 2,457,796
1885    310,163 - 333,493       1949    2,457,797 - 2,492,943
1886    333,494 - 355,290       1950    2,492,944 - 2,536,015
1887    355,291 - 375,719       1951    2,536,016 - 2,580,378
1888    378,720 - 395,304       1952    2,580,379 - 2,624,045
1889    395,305 - 418,664       1953    2,624,046 - 2,664,561
1890    418,665 - 443,986       1954    2,664,562 - 2,698,433
1891    443,987 - 446,314       1955    2,698,434 - 2,728,912
1892    446,315 - 488,975       1956    2,728,913 - 2,775,761
1893    488,976 - 511,743       1957    2,775,762 - 2,818,566
1894    511,744 - 531,618       1958    2,818,567 - 2,866,972
1895    531,619 - 522,501       1959    2,866,973 - 2,919,442
1896    552,502 - 574,368       1960    2,919,443 - 2,966,680
1897    574,369 - 596,466       1961    2,966,681 - 3,015,102
1898    596,467 - 616,870       1962    3,015,103 - 3,070,800
1899    616,871 - 640,166       1963    3,070,801 - 3,116,486

• Please note that the actual date of manufacture can be quite different from the patent number as products were oftentimes produced for a number of years after they were first granted a patent.

• English patent numbers for some unexplainable reason always began with the number 1 at the beginning of each year.

• Zip codes were first introduced in 1962.

• Items with "patent applied for", "pat app'd for", "pat'd", etc. may not be and are virtually impossible to look up on charts like the above.

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Please see our FAQ page, the Appraisal / Selling Page and the Selling Your Collection Pages for further info.

Thanks!!

Larry & Carole