Weird Patent of the Day
Underwater viewing device
A buoyant platform adapted to float on the surface of a water body, with an underwater viewing window through which underwater scenes may be viewed by a person lying prone on the platform. An opening through the platform is closed adjacent its lower end by a transparent window.
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.
