By Alice Hill
RealTechNews

Not long ago we covered the uproar over the fact that the emoticon was being patented by Cingular. Most experts agree that current patent law is dangerously out of control – from RIM’s battle with NTP over the Blackberry’s email technology, to Amazon snaring the “one-click” payment system – it seems like everything even remotely technical is being granted a patent by someone who obvioulsy hasn’t done much more than fire up a typewriter.

But just when you thought it could get no worse, today I found out that even the lowly string and tin can phone has being patented. Yes, that means you as a child probably violated this patent whitout even knowing it.

United States Patent 4,195,707
Kupperman , et al. April 1, 1980

Communicating Device
A device for communicating in which a hollow frustum extending outwardly from a flat base has tabs at the ends thereof for holding a relatively rigid diaphragm having spaced apart apertures therein. A pair of these devices are interconnected by a cord or string, whereby conversation or sound projected into one of the devices is reproduced at the other device. Two devices are molded as a single integral unit and merchandised as an in-pack item with children’s breakfast cereals.

Read the Full Patent Here
Via Right to Create

We Say: At leasat this one expired, but c’mon already. Who’s going to patent the paper airplane?

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