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Patent Date Chart

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 #    
1836              1 - 109
1837            110 - 545
1838          546 - 1,060
1839        1,061 - 1,464
1840        1,465 - 1,922
1841        1,923 - 2,412
1842        2,413 - 2,900
1843        2,901 - 3,394
1844        3,394 - 3,872
1845        3,873 - 4,347
1846        4,348 - 4,913
1847        4,914 - 5,408
1848        5,409 - 5,992
1849        5,993 - 6,980
1850        6,981 - 7,864
1851        7,865 - 8,621
1852        8,622 - 9,511
1853       9,512 - 10,357
1854      10,358 - 12,116
1855      12,117 - 14,008
1856      14,009 - 16,323
1857      16,324 - 19,009
1858      19,010 - 22,476
1859      22,477 - 26,641
1860      26,642 - 31,004
1861      31,005 - 34,044
1862      34,045 - 37,265
1863      37,266 - 41,046
1864      41,047 - 45,684
1865      45,685 - 51,783
1866      51,784 - 60,657
1867      60,658 - 72,958
1868      72,959 - 85,502
1869      85,503 - 98,459
1870     98,460 - 110,616
1871    110,617 - 122,303
1872    122,304 - 134,503
1873    134,504 - 146,119
1874    146,120 - 158,349
1875    158,350 - 171,640
1876    171,641 - 185,812
1877    185,813 - 198,732
1878    198,733 - 211,077
1879    211,078 - 223,210
1880    223,211 - 236,136
1881    236,137 - 251,684
1882    251,685 - 269,819
1883    269,820 - 291,015
1884    291,016 - 310,162
1885    310,163 - 333,493
1886    333,494 - 355,290
1887    355,291 - 375,719 
1888    378,720 - 395,304
1889    395,305 - 418,664
1890    418,665 - 443,986
1891    443,987 - 446,314 
1892    446,315 - 488,975 
1893    488,976 - 511,743 
1894    511,744 - 531,618 
1895    531,619 - 522,501
1896    552,502 - 574,368 
1897    574,369 - 596,466
1898    596,467 - 616,870 
1899    616,871 - 640,166 
1900    640,167 - 664,826
1901    664,827 - 690,384
1902    690,385 - 717,520
1903    717,521 - 748,566
1904    748,567 - 778,833
1905    778,834 - 808,617
1906    808,618 - 839,798
1907    839,799 - 875,678
1908    875,679 - 908,435
1909    908,436 - 945,009
1910    945,010 - 980,177
1911    980,178 - 1,013,094
1912    1,013,095 - 1,049,325
1913    1,049,326 - 1,083,266
1914    1,083,267 - 1,123,211
1915    1,123,212 - 1,166,418
1916    1,166,419 - 1,210,388
1917    1,210,389 - 1,251,457
1918    1,251,458 - 1,290,026
1919    1,290,027 - 1,326,898
1920    1,326,899 - 1,364,062
1921    1,364,063 - 1,478,995
1922    1,401,948 - 1,440,361
1923    1,440,362 - 1,478,995
1924    1,478,996 - 1,521,589
1925    1,521,590 - 1,568,039
1926    1,568,040 - 1,612,699
1927    1,612,700 - 1,654,520
1928    1,654,521 - 1,696,896
1929    1,696,897 - 1,742,180
1930    1,742,181 - 1,787,423
1931    1,787,424 - 1,839,189
1932    1,839,190 - 1,892,662
1933    1,892,663 - 1,941,448
1934    1,941,449 - 1,985,877
1935    1,985,878 - 2,026,515
1936    2,026,516 - 2,066,308
1937    2,066,309 - 2,104,003
1938    2,104,004 - 2,142,079
1939    2,172,080 - 2,185,169
1940    2,185,170 - 2,227,417
1941    2,227,418 - 2,268,539
1942    2,268,540 - 2,307,006
1943    2,307,007 - 2,338,080
1944    2,338,081 - 2,366,153
1945    2,366,154 - 2,391,855
1946    2,391,856 - 2,413,674
1947    2,413,675 - 2,433,823
1948    2,433,824 - 2,457,796
1949    2,457,797 - 2,492,943
1950    2,492,944 - 2,536,015
1951    2,536,016 - 2,580,378
1952    2,580,379 - 2,624,045
1953    2,624,046 - 2,664,561
1954    2,664,562 - 2,698,433
1955    2,698,434 - 2,728,912
1956    2,728,913 - 2,775,761
1957    2,775,762 - 2,818,566
1958    2,818,567 - 2,866,972
1959    2,866,973 - 2,919,442
1960    2,919,443 - 2,966,680
1961    2,966,681 - 3,015,102
1962    3,015,103 - 3,070,800
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 1966.

Items with "patent applied for", "pat app'd for", "pat'd", etc. may not be and are virtually impossibly to look up on charts like the above without more info.

Additional Informational Links

Below is the link to Google's Patent Search which is easy to use and works well with the patent number, just the date, and / or relevant keywords.  Try it first

Google Patent Search

Below is the link to the US Patent office website where if you have the patent number you can view the patent papers.  With only the date it becomes a more involved process at this site and you can find out information about searching for the patent there.  Also please note there are instructions on the site for downloading the tiff program that you will need to view the patent files if you use this site.  Google is easier.

http://www.uspto.gov/

If you have patented & mechanical antiques that are for sale, please contact us at AntiqBuyer@gmail.com

Click any of the headings in the left column for more information on specific categories of antiques we are interested inv buying or can help you sell.

To see examples of antiques  that I currently have for sale please go to our sister site at www.Patented-Antiques.com and visit the numerous sale pages you will find there.

Thank you!!
Larry & Carole





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Larry & Carole Meeker