US 6,981,335 B1
Diesel fuel gauge
Danny E. Darden, 3242 Fox Rd., Millsap, Tex. 76066 (US); Warren Vilmaire, 12557 High Meadow Dr., Dallas, Tex. 75244 (US); and Bret R Blades, 3213 Rinehart, Grand Prairie, Tex. 75050 (US)
Filed on Jul. 01, 2003, as Appl. No. 10/611,085.
Int. Cl. G01F 23/04 (2006.01)
U.S. Cl. 33—722 8 Claims
OG exemplary drawing
 
1. A gauge for determining the level of diesel fuel in a fuel tank of a motor vehicle, comprising:
an elongated member, adapted to be located into and removed from a fuel tank of a motor vehicle, said member formed of plastic;
a dry layer of material coating a side of said member and which layer is soluble in diesel fuel such that upon insertion of said member into diesel fuel in a fuel tank the portion of said layer in contact with the diesel fuel is removable to allow a person to determine the level of diesel fuel in the tank upon removal of said member from the tank by observing said member.