Firearms – Indicators
Reexamination Certificate
2005-05-03
2005-05-03
Johnson, Stephen M. (Department: 3641)
Firearms
Indicators
C042S076010, C089S014050
Reexamination Certificate
active
06886284
ABSTRACT:
A firearm comprising a gun barrel for accommodating a desired round of ammunition having a bullet, a shell casing and a primer. The gun barrel has a firing pin associated with a chamber of the gun barrel and the firing pin is activated by a trigger assembly. When the firing pin is activated by the trigger assembly, a striking surface of the firing pin strikes the primer and discharges the round of ammunition to propel the bullet out of the opposite end of the gun barrel. The firing pin, the interior surface of the barrel, or some other surface which contacts the shell casing carries a unique identifying indicia. Upon discharge of the round of ammunition, the component of the firearm carrying the unique identifying indicia transfers an impression of the unique identifying indicia to an exterior surface of the shell casing to identify that the shell casing was discharged by that firearm.
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Vainos, N.A., S. Mallis, S. Pissadakis, L. Boutsikaris, P.J.M. Parmiter, P. Dainty and T. J. Hall, “Excimer laser use for microetching computer-generated holographic structures,”Applied Optics, vol. 35, No. 32, Nov. 10, 1996, pp. 6304-6319.
Davis & Bujold P.L.L.C.
Identification Dynamics, LLC
Johnson Stephen M.
LandOfFree
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