Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Reese C. Gwillim, Jr.0
Date of Patent
March 3, 2020
Patent Application Number
16421929
Date Filed
May 24, 2019
Patent Citations Received
Patent Primary Examiner
Patent abstract
A circuit board that is added to a slide of an semiautomatic handgun for the purpose of counting fired rounds and providing a low ammunition round count signal, as well as a slide lock warning signal, indicating an out of ammunition condition. The circuit board is preferably saddle shaped with downwardly depending wings where warning lights can be located. The board is positioned between front and rear gun sights, below the aiming line of sight, with the saddle shape allowing placement of LEDs that can be seen behind the rear gun sight. In one embodiment, circuitry on the circuit board faces the slide so that the normal underside of the circuit board faces upwardly but below portions of gun sights that establish aiming.
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