US Patent Numbers Chart

The chart below shows the first US patent number issued in each year. Find the patent number on your clock part and look for the range in which it falls — the year column shows the earliest year the item could have been made.

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United States Patent Numbers by Year

First Patent No.	Year	First Patent No.	Year	First Patent No.	Year
1	1836	198,733	1878	1,326,899	1920
110	1837	211,078	1879	1,364,063	1921
546	1838	223,211	1880	1,401,948	1922
1,061	1839	236,137	1881	1,440,362	1923
1,465	1840	251,685	1882	1,478,996	1924
1,923	1841	269,820	1883	1,521,590	1925
2,413	1842	291,016	1884	1,568,040	1926
2,901	1843	310,163	1885	1,612,700	1927
3,395	1844	333,494	1886	1,654,521	1928
3,873	1845	355,291	1887	1,696,897	1929
4,348	1846	375,720	1888	1,742,181	1930
4,914	1847	395,305	1889	1,787,424	1931
5,409	1848	418,665	1890	1,839,190	1932
5,993	1849	443,987	1891	1,892,663	1933
6,981	1850	466,315	1892	1,941,449	1934
7,865	1851	488,976	1893	1,985,878	1935
8,622	1852	511,744	1894	2,026,516	1936
9,512	1853	531,619	1895	2,066,309	1937
10,358	1854	552,502	1896	2,104,004	1938
12,117	1855	574,369	1897	2,142,080	1939
14,009	1856	596,467	1898	2,185,170	1940
16,324	1857	616,871	1899	2,227,418	1941
19,010	1858	640,167	1900	2,268,540	1942
22,477	1859	664,827	1901	2,307,007	1943
26,642	1860	690,385	1902	2,338,081	1944
31,005	1861	717,521	1903	2,366,154	1945
34,045	1862	748,567	1904	2,391,856	1946
37,266	1863	778,834	1905	2,413,675	1947
41,047	1864	808,618	1906	2,433,824	1948
45,685	1865	839,799	1907	2,457,797	1949
51,784	1866	875,679	1908	2,492,944	1950
60,658	1867	908,436	1909	2,536,016	1951
72,959	1868	945,010	1910	2,580,379	1952
85,503	1869	980,178	1911	2,624,046	1953
98,460	1870	1,013,095	1912	2,664,562	1954
110,617	1871	1,049,326	1913	2,698,434	1955
122,304	1872	1,083,267	1914	2,728,913	1956
134,504	1873	1,123,212	1915	2,775,762	1957
146,120	1874	1,166,419	1916	2,818,567	1958
158,350	1875	1,210,389	1917	2,866,973	1959
171,641	1876	1,251,458	1918	2,919,443	1960
185,813	1877	1,290,027	1919	2,966,681	1961
				3,015,103	1962
				3,070,801	1963
				3,116,487	1964
				3,163,865	1965
				3,226,729	1966
				3,295,143	1967
				3,360,800	1968
				3,419,907	1969
				3,487,470	1970
				3,551,909	1971
				3,631,539	1972
				3,707,729	1973
				3,781,914	1974