Datamp.org Patents https://www.datamp.org/ Recently added patents en-us US Patent: 580,924 https://www.datamp.org/patents/displayPatent.php?id=85549&pn=580,924 Firearm Patentee: John Moses Browning - Ogden UT Granted:1897-04-20

This patent is one of four issued to Browning on this date—out of 128 in total that were issued to Browning in his lifetime—that provide the ideas used by almost every modern pistol. The invention relates to "automatic breech-loading firearms" that are operated by the recoil of the breech block or bolt carrier. A mechanism is provided for such a firearm that also prevents the hammer from being released until the breech is closed and all parts are in position to discharge the cartridge, and then held in the discharged position until the trigger is released. The mechanism uses a barrel that moves longitudinally and at the same time move slightly upward so as to lock breech, move with the breech block by the recoil, and eject the spent cartridge.
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US Patent: 580,923 https://www.datamp.org/patents/displayPatent.php?id=85548&pn=580,923 Firearm Patentee: John Moses Browning - Ogden UT Granted:1897-04-20

This patent is one of four issued to Browning on this date and they provide the ideas used by almost every modern pistol. The invention relates to "automatic magazine-firearms" that are operated by the explosive gases. The innovation is a means to disable the hammer after a single discharge until the trigger has been released, and to prevent the trigger release until the mechanism is in position to discharge the cartridge.
This is one of 84,843 patents currently in the database at datamp.org

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US Patent: 441,390 https://www.datamp.org/patents/displayPatent.php?id=85547&pn=441,390 Magazine-gun Patentees: John Moses Browning - Ogden City UT , Matthew Sandifer Browning - Ogden UT Granted:1890-11-25
Manufactured by Winchester Repeating Arms Co. - New Haven CT
Assigned to Winchester Repeating Arms Co. - New Haven CT

The invention is a greatly improved pump-action shotgun. Loading and ejection are from the under-side of the breech which kept the ejected shells out of the line of sight of the shooter. The mechanism allowed the shooter to hold down the trigger and fire automatically as the ejection mechanism was cycled. This invention was produced as the Winchester Model 1887, and then as the Model 1897 which was designed to accommodate the new and more powerful smokeless gunpowder. The 1897, which was in production for over 60 years, remains one of the most popular shotguns ever made.
This is one of 84,843 patents currently in the database at datamp.org

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US Patent: 421,663 https://www.datamp.org/patents/displayPatent.php?id=85546&pn=421,663 Magazine fire-arm Patentees: John Moses Browning - Ogden City UT , Matthew Sandifer Browning - Ogden UT Granted:1890-02-18
Manufactured by Winchester Repeating Arms Co. - New Haven CT
Assigned to Winchester Repeating Arms Co. - New Haven CT


This is one of 84,843 patents currently in the database at datamp.org

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US Patent: 306,577 https://www.datamp.org/patents/displayPatent.php?id=85545&pn=306,577 Magazine fire-arm Patentees: John Moses Browning - Ogden City UT , Matthew Sandifer Browning - Ogden UT Granted:1884-10-14
Manufactured by Winchester Repeating Arms Co. - New Haven CT
Assigned to Winchester Repeating Arms Co. - New Haven CT

See patent 220,271 for information on the genesis of this patent. This patent is intended to make the mechanism Winchester's lever-action rifle more robust so that it could handle larger cartridges. Browning flanked the bolt with vertical blocks, and converted to a bottom-loading magazine that did not require the action to be cycled while loading. The resulting rifle was sold as the Winchester Model 1886, used for big-game hunting such as buffalo. Slightly later, a lighter-weight version was introduced, the Model 1892, which sold in vast numbers, and more versions followed.
This is one of 84,843 patents currently in the database at datamp.org

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