US Patent Numbers and Dates

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US Patent Numbers and Dates

Post by pryorcreekjoe on Wed Mar 28, 2012 4:16 pm

Have you ever dug something with a patent number and wondered what was the date? Here is a list of years and the last patent number for each year.

US Patent Numbers
1836..............1 1878.........198,733 1920........1,326,899 1962........3,015,103
1837............110 1879.........211,078 1921........1,364,063 1963........3,070,801
1838............546 1880.........223,211 1922........1,401,948 1964........3,116,487
1839..........1,106 1881.........236,137 1923........1,440,362 1965........3,163,865
1840..........1,465 1882.........251,685 1924........1,478,996 1966........3,226,729
1841..........1,923 1883.........269,820 1925........1,521,590 1967........3,295,143
1842..........2,413 1884.........291,016 1926........1,468,040 1968........3,360,800
1843..........2,901 1885.........310,163 1927........1,612,700 1969........3,419,907
1844..........3,395 1886.........333,494 1928........1,654,521 1970........3,487,470
1845..........3,873 1887.........355,291 1929........1,696,897 1971........3,551,909
1846..........4,348 1888.........375,720 1930........1,742,181 1972........3,631,539
1847..........4,914 1889.........395,305 1931........l,787,424 1973........3,707,729
1848..........5,409 1890.........418,665 1932........1,839,190 1974........3,781,914
1849..........5,993 1891.........443,987 1933........1,892,663 1975........3,958,241
1850..........6,981 1892.........466,315 1934........1,941,449 1976........3,930,271
1851..........7,865 1893.........488,976 1935........1,985,878 1977........4,000,520
1852..........8,622 1894.........511,744 1936........2,026,516 1978........4,065,812
1853..........9,512 1895.........531,619 1937........2,066,309 1979........4,131,952
1854.........10,358 1896.........552,502 1938........2,104,004 1980........4,180,867
1855.........12,117 1897.........574,369 1939........2,142,080 1981........4,242,757
1856.........14,009 1898.........596,467 1940........2,185,170 1982........4,308,622
1857.........16,324 1899.........616,871 1941........2,227,418 1983........4,366,579
1858.........19,010 1900.........640,167 1942........2,268,540 1984........4,423,523
1859.........22,477 1901.........664,827 1943........2,307,007 1985........4,490,855
1860.........26,642 1902.........690,385 1944........2,338,081 1986........4,562,596
1861.........31,005 1903.........717,521 1945........2,366,154 1987........4,633,526
1862.........34,045 1904.........748,567 1946........2,391,856 1988........4,716,594
1863.........37,266 1905.........778,834 1947........2,413,675 1989........4,794.652
1864.........41,047 1906.........808,618 1948........2,433,824 1990........4,890,335
1865.........45,685 1907.........839,799 1949........2,457,797 1991........4,980,927
1866.........51,784 1908.........875,679 1950........2,492,944 1992........5,077,836
1867.........60,658 1909.........908,436 1951........2,536,016 1993........5,175,886
1868.........72,959 1910.........945,010 1952........2,580,379 1994........5,274,846
1869.........85,503 1911.........980,178 1953........2,624,046 1995........5,377,359
1870.........98,460 1912.......1,013,095 1954........2,664,562 1996........5,479,658
1871........110,617 1913.......1,049,326 1955........2,698,434 1997........5,590,420
1872........122,304 1914.......1,083,267 1956........2,728,913 1998........5,704,062
1873........134,504 1915.......1,123,212 1957........2,775,762 1999........5,855,021
1874........146,120 1916.......1,166,419 1958........2,818,567 2000…….6,009,555
1875........158,350 1917.......1,210,389 1959........2,866,973 2001…….6,167,569
1876........171,641 1918.......1,251,458 1960........2,919,443 2002…….6,334,220
1877........185,813 1919.......1,290,027 1961........2,966,681
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Re: US Patent Numbers and Dates

Post by Freak on a Lesche on Wed Mar 28, 2012 4:27 pm

Great post! This will help a lot. Very Happy
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Re: US Patent Numbers and Dates

Post by GonehuntingForHistory on Wed Mar 28, 2012 4:35 pm

Thats cool.. thanks..

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Re: US Patent Numbers and Dates

Post by Daniel In Alaska on Wed Mar 28, 2012 11:53 pm

I use that often. Then after you find this, look for the actual patent info that was submitted.Thats the cool part.

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