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U.S. Patent 33,099: Parrott projectile

U.S. Patent 33,099, granted to Robert P. Parrott in 1861, covered the Parrott projectile for rifled ordnance, with its expanding base sabot.

Also known as: Parrott patent 33099.

NumberU.S. Patent 33,099
Year1861
InventorRobert P. Parrott
CoversThe Parrott rifled projectile

The Parrott projectile patent

United States Patent 33,099, granted to Robert P. Parrott in 1861, covered the projectile for rifled ordnance that accompanied his guns, with the expanding base sabot that was forced into the rifling on firing.

Paired with his cast-iron banded rifle, the patented Parrott projectile was among the most widely used rifled projectiles of the Federal service.

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