Locate the highest patent number on your item. Find the year the patent was granted.Note: Occasionally the patent
was granted a few years earlier
1836: 1 - 1091837: 110 - 5451838: 546 - 1,1051839: 1,106 - 1,4641840: 1,465 - 1,922
1841: 1,923 - 2,4121842: 2,413 - 2,9001843: 2,901 - 3,3941844: 3,395 - 3,8721845: 3,873 - 4,3471846: 4,348 - 4,9131847: 4,914 - 5,4081848: 5,409 - 5,9921849: 5,993 - 6,9801850: 6,981 - 7,864
1851: 7,865 - 8,6211852: 8,622 - 9,5111853: 9,512 - 10,3571854: 10,358 - 12,1161855: 12,117 - 14,0081856: 14,009 - 16,3231857: 16,324 - 19,0091858: 19,010 - 22,4761859: 22,477 - 26,6411860: 26,642 - 31,004
1861: 31,005 - 34,0441862: 34,045 - 37,2651863: 37,266 - 41,0461864: 41,047 - 45,6841865: 45,685 - 51,7831866: 51,784 - 60,6571867: 60,658 - 72,9581868: 72,959 - 85,5021869: 85,503 - 98,4591870: 98,460 - 110,616
1871: 110,617 - 122,3031872: 122,304 - 134,5031873: 134,504 - 146,1191874: 146,120 - 158,3491875: 158,350 - 171,6401876: 171,641 - 185,8121877: 185,813 - 198,7321878: 198,733 - 211,0771879: 211,078 - 223,2101880: 223,211 - 236,136
1881: 236,137 - 251,6841882: 251,685 - 269,8191883: 269,820 - 291,0151884: 291,916 - 310,1621885: 310,163 - 333,4931886: 333,494 - 355,2901887: 355,291 - 375,7191888: 375,720 - 395,3041889: 395,305 - 418,6641890: 418,665 - 443,986
1891: 443,987 - 466,3141892: 466,315 - 488,9751893: 488,976 - 511,7431894: 511,744 - 531,6181895: 531,619 - 552,5011896: 552,502 - 574,3681897: 574,369 - 596,4661898: 596,467 - 616,8701899: 616,871 - 640,1661900: 640,167 - 664,826
1901: 664,827 - 690,3841902: 690,385 - 717,5201903: 717,521 - 748,5661904: 748,567 - 778,8331905: 778,834 - 808,6171906: 808,618 - 839,7981907: 839,799 - 875,6781908: 875,679 - 908,4351909: 908,436 - 945,0091910: 945,010 - 980,177
1911: 980,178 - 1,013,0941912: 1,013,095 - 1,049,3251913: 1,049,326 - 1,083,2661914: 1,083,267 - 1,123,2111915: 1,123,212 - 1,166,4181916: 1,166,419 - 1,210,3881917: 1,210,389 - 1,251,4571918: 1,251,458 - 1,290,0261919: 1,290,027 - 1,326,8981920: 1,326,899 - 1,364,062
1921: 1,364,063 - 1,401,9471922: 1,401,948 - 1,440,3611923: 1,440,362 - 1,478,9951924: 1,478,996 - 1,521,5891925: 1,521,590 - 1,568,0391926: 1,568,040 - 1,612,6991927: 1,612,700 - 1,654,5201928: 1,654,521 - 1,696,8961929: 1,696,897 - 1,742,1801930: 1,742,181 - 1,787,423
1931: 1,787,424 - 1,839,1891932: 1,839,190 - 1,892,6621933: 1,892,663 - 1,941,4481934: 1,941,449 - 1,985,8771935: 1,985,878 - 2,026,5151936: 2,026,516 - 2,066,3081937: 2,066,309 - 2,104,0031938: 2,104,004 - 2,142,0791939: 2,142,080 - 2,185,1691940: 2,185,170 - 2,227,417
1941: 2,227,418 - 2,268,5391942: 2,268,540 - 2,307,0061943: 2,307,007 - 2,338,0801944: 2,338,081 - 2,366,1531945: 2,366,154 - 2,391,8551946: 2,391,856 - 2,413,6741947: 2,413,675 - 2,433,8231948: 2,433,824 - 2,457,7961949: 2,457,797 - 2,492,9431950: 2,492,944 - 2,536,015
1951: 2,536,016 - 2,580,3781952: 2,580,379 - 2,624,0451953: 2,624,046 - 2,664,5611954: 2,664,562 - 2,698,4331955: 2,698,434 - 2,728,9121956: 2,728,913 - 2,775,7611957: 2,775,762 - 2,818,5661958: 2,818,567 - 2,866,9721959: 2,866,973 - 2,919,4421960: 2,919,443 - 2,966,680
1961: 2,966,681 - 3,015,1021962: 3,015,103 - 3,070,8001963: 3,070,801 - 3,116,4861964: 3,116,487 - 3,163,8641965: 3,163,865 - 3,226,7281966: 3,226,729 - 3,295,1421967: 3,295,143 - 3,360,7991968: 3,360,800 - 3,419,9061969: 3,419,907 - 3,487,4691970: 3,487,470 - 3,551,908
1971: 3,551,909 - 3,631,5381972: 3,631,539 - 3,707,7281973: 3,707,729 - 3,781,9131974: 3,781,914 - 3,858,2401975: 3,858,241 - 3,930,2701976: 3,930,271 - 4,000,5191977: 4,000,520 - 4,065,8111978: 4,065,812 - 4,131,9511979: 4,131,952 - 4,180,8661980: 4,180,867 - 4,242,756
1981: 4,242,757 - 4,308,6211982: 4,308,622 - 4,366,5781983: 4,366,579 - 4,423,5221984: 4,423,523 - 4,490,8841985: 4,490,885 - 4,562,5951986: 4,562,596 - 4,633,5251987: 4,633,526 - 4,716,5931988: 4,716,594 - 4,794,6511989: 4,794,652 - 4,890,3341990: 4,890,335 - 4,980,926
1991: 4,980,927 - 5,077,8351992: 5,077,836 - 5,175,8851993: 5,175,886 - 5,274,8451994: 5,274,846 - 5,377,3581995: 5,377,359 - 5,479,6571996: 5,479,658 - 5,590,4191997: 5,590,420 - 5,704,0611998: 5,704,062 - 5,855,0201999: 5,855,021 - 6,009,5542000: 6,009,555 - 6,167,568 ©2007
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