High impact-low penetration round
Patent 5225628 Issued on July 6, 1993. Estimated Expiration Date: 
May 12, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
May 12, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3733727 3865038 3906859 Non-lethal projectile for riot control Kinetic energy ring projectile Dimpled shotgun pellets Multiple projectile cartridge for handguns Shotgun projectile Training or marking bullets Non-toxic shot and shot shell containing same InventorApplicationNo. 881672 filed on 05/12/1992US Classes:102/438, Multiple projectiles102/439, Projectile structure102/502, Nonlethal or deterrent102/517CompositeExaminersPrimary: Brown, David H.Attorney, Agent or FirmInternational ClassesF42B 007/10F42B 010/48 F42B 008/12 AbstractA high impact low penetration round includes a transparent casing and a plurality of deformable pellets fired from the casing as projectiles. The pellets are formed of a lead wax material that flattens and deforms upon contact with a solid object. Contact with a solid object discharges all of the kinetic energy associated with firing the pellet and transfers this energy to the object so that the pellet will not ricochet or penetrate the object. The pellets are shaped to tumble in the air to enhance energy loss and to aid in the detachment and distribution of the pellets. The rounds can be used as shotgun ammunition at close range to provide an effective anti personnel round with a lethality that diminishes rapidly after an effective range of about thirty-five yards.Other References
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