Colt Automatic Pistol and Revolver Information - 20 years of Service to Colt Firearms Collectors

COLT MODELS

 

 

Browning and Colt Patents Appearing on Pre-WWII Colt Semi-Automatic Pistols

Colt Model Patent Date(s) US Patent Number(s)
Note: Not all patent dates listed for a model will appear on that model.  Some patent dates will be omitted on the earliest pistols while later pistols will typically have all the patent dates.  On the Service Model Ace and the .22-.45 Conversion Unit, the patent numbers  (not the dates) are visible on the left side of the slide.
1900 .38 ACP Sight Safety and Sight Safety Altered April 20, 1897 580,923 | 580,924 | 580,926
1902 Sporting .38 ACP April 20, 1897
September 9, 1902
580,923 | 580,924 | 580,926
708,794
1902 Military .38 ACP April 20, 1897
September 9, 1902
580,923 | 580,924 | 580,926
708,794
1903 Pocket Hammer .38 ACP April 20, 1897
September 9, 1902
580,923 | 580,924 | 580,926
708,794
1903 Pocket Hammerless .32 ACP April 20, 1897
December 22, 1903
580,923 | 580,924 | 580,926
747,585
1905 .45 ACP April 20, 1897
September 9, 1902
December 19, 1905
580,923 | 580,924 | 580,926
708,794
808,003
1907 .45 ACP April 20, 1897
September 9, 1902
December 19, 1905
580,923 | 580,924 | 580,926
708,794
808,003
1908 Pocket Hammerless .380 ACP April 20, 1897
December 22, 1903
580,923 | 580,924 | 580,926
747,585
1908 Vest Pocket .25 ACP August 25, 1896
April 20, 1897
December 22, 1903
January 25, 1910
July 31, 1917
566,367
580,923 | 580,924 | 580,926
747,585
947,478
1,234,961
1909 .45 ACP April 20, 1897
September 9, 1902
December 19, 1905
580,923 | 580,924 | 580,926
708,794
808,003
1910 .45 ACP April 20, 1897
September 9, 1902
December 19, 1905
580,923 | 580,924 | 580,926
708,794
808,003
1911 OF U.S. ARMY April 20, 1897
September 9, 1902
December 19, 1905
February 14, 1911
August 19, 1913
580,923 | 580,924 | 580,926
708,794
808,003
984,519
1,070,582
M1911A1 U.S. ARMY April 20, 1897
September 9, 1902
December 19, 1905
February 14, 1911
August 19, 1913
580,923 | 580,924 | 580,926
708,794
808,003
984,519
1,070,582
.22 Target and Woodsman December 22, 1903
August 27, 1918
September 3, 1918
747,585
1,276,716
1,277,379
Government Model .45 ACP April 20, 1897
September 9, 1902
December 19, 1905
February 14, 1911
August 19, 1913
580,923 | 580,924 | 580,926
708,794
808,003
984,519
1,070,582
National Match .45 ACP April 20, 1897
September 9, 1902
December 19, 1905
February 14, 1911
August 19, 1913
580,923 | 580,924 | 580,926
708,794
808,003
984,519
1,070,582
Super .38 April 20, 1897
September 9, 1902
December 19, 1905
February 14, 1911
August 19, 1913
580,923 | 580,924 | 580,926
708,794
808,003
984,519
1,070,582
Super Match .38 April 20, 1897
September 9, 1902
December 19, 1905
February 14, 1911
August 19, 1913
580,923 | 580,924 | 580,926
708,794
808,003
984,519
1,070,582
Ace .22 LR April 20, 1897
September 9, 1902
December 19, 1905
February 14, 1911
August 19, 1913
580,923 | 580,924 | 580,926
708,794
808,003
984,519
1,070,582
Service Model Ace .22 LR August 24, 1937 2,090,656 | 2,090,657
.22-.45 Conversion August 24, 1937 2,090,656 | 2,090,657
.45-.22 Conversion April 20, 1897
September 9, 1902
December 19, 1905
February 14, 1911
August 19, 1913
580,923 | 580,924 | 580,926
708,794
808,003
984,519
1,070,582
 

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