COIN PINGER DEVICE FOR ALLOY AUTHENTICATION
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United States of America
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Issued Date -
Apr 28, 2022
app pub date -
Oct 23, 2020
filing date -
Oct 23, 2020
priority date (Note) -
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Abstract
An apparatus and method facilitating a coin ping test that involves placing a coin in between two prongs that are covered with caps made of silicone, fabric, soft plastic, and/or other material or combination of materials that pinch and grip the coin tightly in place for a ping test. The elasticity of the caps also allows for the coin to be pressed down on one edge and then released, resulting in the coin snapping back down onto a hammer or surface causing the coin to ping on contact.
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