Appeal No. 1999-2553 Application No. 08/802,222 Steil discloses an anti-snoring shield for preventing snoring and promoting the habit of breathing through the nostrils comprising an oval plate (shield A) and prongs B for controlling the position of the shield. Steil does not disclose an aperture or air passage in the shield. Moulton discloses an anti-snoring device which has as one of its principal objects prevention of the ingress of air through the mouth when breathing and regulation of its egress, so as to cause the air to be admitted to the lungs and expelled therefrom in the natural manner through nasal passages (page 1, lines 30-37). To achieve this objective, Moulton discloses a plate provided with a centrally-disposed flap-valve 2 which normally closes an opening 3 formed in the plate, the valve being adapted "to prevent the ingress of air to the lungs through the mouth when inhaling and to permit a relatively small quantity thereof to be expelled through the opening 3 in the act of exhaling" (page 1, lines 71-78; emphasis ours). Moulton also discloses that, when the nasal passages are partly obstructed, rendering it difficult to admit air through the nose, the plate may be reversed and 5Page: Previous 1 2 3 4 5 6 7 8 9 10 NextLast modified: November 3, 2007