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...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!

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Class 72/482.5 - Engaging dovetail on tool face


Subclass of Class 72 - Metal deforming
Definition: Apparatus cam is used between an inwardly tapered tenon
No. of patents: 2
Last issue date: 07/22/2008


NumberTitleIssue Date
7401491Brake die inserts
A tool system for brake forming having a punch or a die and at least one insert. In one embodiment, two inserts are removably attached to a die. The die has a defined shape running along a longitudinal axis. Each insert has a protrusion with a particular cross-secti...
07/22/2008
6021659Rotary bending tool holder
A rotary bending tool holder, particularly useful in a press brake type press, which embodies a two piece holder, namely a main body and clamp; usually attached to the moveable ram of the press brake. A rotary bending tool used with the holder is provided...
02/08/2000
 
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