Wild and crazy patents

Patent protection has been granted over the years to some truly off-the-wall ideas, including a hair comb-over and basmati rice. Some that seemed like shoo-ins at the time were later overturned, including the famed ENIAC computer.

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Laser-tag with cats (1995)


If you have both a laser pointer and a playful house cat you probably have violated this patent multiple times. Luckily for you, the inventor didn’t pay maintenance fees and lost his rights so this patent is now inactive. Expired in 2007, patent 5,443,036 was granted 14 years after its original filing.

Eureka! Fluffy is exercising!

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