Mouth protector

Claim 1

A MOUTH PROTECTOR COMPRISING A GENERALLY U-SHAPED TROUGH FORMED OF RESILIENT MATERIAL AND ADAPTED TO FIT OVER A PERSON''S TEETH, SAID TROUGH INCLUDING A FLOOR, AN INNER WALL ALONG THE INNER EDGE OF SAID FLOOR, AND AN OUTER WALL ALONG THE OUTER EDGE OF SAID FLOOR, SAID OUTER WALL INCLUDING A FRONTAL PORTION BEING ABOUT 3/32 INCH THICK ADJACENT SAID FLOOR AND TAPERING UPWARDLY TO A THICKNESS OF ABOUT 2/32 INCH IN THE UPPER FRONTAL PORTION, SAID OUTER WALL FURTHER INCLUDING A REAR PORTION EXTENDING FORM SAID FRONTAL PORTION AND BEING ABOUT 4/32 INCH THICK ADJACENT SAID FLOOR, SAID REAR OUTER WALL PORTION TAPERING UPWARDLY TO A THICKNESS OF ABOUT 3/32 INCH IN ITS UPPER PORTION, SAID INNER WALL INCLUDING A FRONTAL PORTION BEING ABOUT 2/32 INCH THICK ADJACENT SAID FLOOR AND TAPERING UPWARDLY TO A THICKNESS OF ABOUT 2/32 INCH IN ITS UPPER PORTION, SAID INNER WALL FURTHER INCLUDING A REAR PORTION EXTENDING FROM SAID FRONTAL PORTION AND BEING ABOUT 4/32 INCH THICK ADJACENT SAID FLOOR, SAID REAR INNER WALL PORTION TAPERING UPWARDLY TO A THICKNESS OF ABOUT 3/32 IN ITS UPPER PORTION, SAID INNER WALLS BEING SPACED APART ABOUT 8/32 INCH ADJACENT SAID FLOOR IN THEIR CONFRONTING REAR PORTIONS, SAID UPPER REAR OUTER WALL PORTION BEING INCLINED TOWARDS SAID INNER WALL TO THE EXTENT THAT SAID INNER AND OUTER WALLS ARE SPACED APART ABOUT 4/32 INCH AS MEASURED BETWEEN THE CONFRONTING UPPER REAR WALL PORTIONS, SAID FLOOR GRADUALLY NARROWING IN WIDTH FROM ITS REAR PORTION TOWARDS ITS FRONTAL PORTION WITH SAID INNER AND OUTER WALL BEING SPACED APART ABOUT 2/32 INCH ADJACENT SAID FLOOR IN THEIR CONFRONTING EXTREME FRONTAL PORTIONS, AND SAID INNER AND OUTER WALLS BEING SPACED APART ABOUT 3/32 INCH AS MEASURED BETWEEN THEIR CONFRONTING UPPER FRONTAL PORTIONS.