Printer Friendly TexasAntiqueMall.com Patent Numbers Patent numbers can be very useful in determining the age of an item. Once you have the patent number, simply find where it falls on the chart below and you will have the year. Example: Patent number 2069001. This number comes after the first patent number issued for 1937 but before the first number issued for 1938. Therefore, you can say this item was patented in 1937.

---

Patent Number Date 1 1836 110 1837 546 1838 1061 1839 1465 1840 1923 1841 2413 1842 2901 1843 3395 1844 3873 1845 4348 1846 4914 1847 5409 1848 5993 1849 6961 1850 7865 1851 8622 1852 9512 1853 10358 1854 12117 1855 14009 1856 16324 1857 19010 1858 22477 1859 26642 1860 31005 1861 34045 1862 37266 1863 41047 1864 45685 1865 51784 1866 60658 1867 72959 1868 85503 1869 98460 1870 110617 1871 122304 1872 134504 1873 146120 1874 158350 1875 171641 1876 185813 1877 198753 1878 211078 1879 223211 1880 236137 1881 251685 1882 269320 1883 291016 1884 310163 1885 333494 1886 355291 1887 375720 1888 395305 1889 418655 1890 443987 1891 466315 1892 483976 1893 511744 1894 531619 1895 552502 1896 574369 1897 596467 1898 616871 1899

Patent Number Date 640167 1900 664827 1901 690385 1902 717521 1903 758567 1904 778834 1905 808618 1906 839799 1907 875679 1908 908430 1909 945010 1910 980178 1911 1013095 1912 1049326 1913 1083267 1914 1125212 1915 1166419 1916 1210389 1917 1251458 1918 1290027 1919 1326899 1920 1354054 1921 1401948 1922 1440352 1923 1478996 1924 1521590 1925 1568040 1926 1612700 1927 1654521 1928 1696897 1929 1742181 1930 1787424 1931 1839190 1932 1892663 1933 1941449 1934 1985678 1935 2026516 1936 2066309 1937 2104004 1938 2142080 1939 2185170 1940 2227418 1941 2268540 1942 2307007 1943 2338061 1944 2366154 1945 2391856 1946 2413675 1947 2433824 1948 2457797 1949 2492944 1950 2536016 1951 2580379 1952 2624046 1953 2664562 1954 2698434 1955

Patent Number Date 2728913 1956 2775762 1957 2818567 1958 2868973 1959 2919443 1960 2966681 1961 3015103 1962 3070801 1963 3116487 1964 3163365 1965 3226729 1966 3295143 1967 3360800 1968 3419907 1969 3487470 1970 3551909 1971 3633214 1972 3707729 1973 3781914 1974 3858241 1975 3930271 1976 4000520 1977 4065812 1978 4131952 1979 4180876 1980 4242757 1981 4308622 1982 4366579 1983 4423523 1984 4490885 1985 4562596 1986 4633526 1987 4716594 1988 4794652 1989 4890335 1990 4980927 1991 5077836 1992 5175886 1993 5274846 1994 5377359 1995 5479658 1996 5590420 1997 5704062 1998 5855021 1999 6009555 2000 6167569 2001 6334220 2002 6502244 2003 6671884 2004 6836899 2005 6981282 2006 7155746 2007   2008

** User understands and accepts all policies associated with use of this procedure. View policies.

Return to Compendium Index   Return to Texas Antique Mall Home