Weird Patent of the Day
Method of exercising a cat
A method for inducing cats to exercise by directing a beam of invisible light from a hand-held laser onto the floor, a wall, or another opaque surface near the cat, then moving the bright pattern in an irregular way fascinating to cats and to any other animal with a chase instinct.
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.
