Weird Patent of the Day
Anti-eating face mask
A face mask with a cup-shaped member that conforms to the mouth and chin, mounted with a hoop and straps so it sits over the mouth and chin under the nose, thereby preventing the ingestion of food by the user.
Source: United States Patent and Trademark Office, www.uspto.gov. Official PDF: USPTO patent PDF. Also at Google Patents. The drawing on this page is a reduced copy of the official figure; see the original drawing.