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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 4/369 - Including means to relieve trapped air


Subclass of Class 4 - Baths, closets, sinks, and spittoons
Definition: Subject matter having means to reduce trapped air pressure,
No. of patents: 6
Last issue date: 06/11/2002


NumberTitleIssue Date
6401270Toilet apparatus
An embodiment provides a toilet having a toilet pan 11, an outlet pipe 78 for the contents of the pan, a closeable lid 21 on the pan forming with the pan a waste receptacle chamber, a seal 22 between the lid 21 and the pan 11, means 12 for introducing wat...
06/11/2002
5706529Water closet
A water closet having a trap drainage exit in a wall above a floor, in which at the time of flushing, a vent space is partitioned in a wall-like manner by water falling from a weir. A rise in the water level of a sump portion of the trap results, and air ...
01/13/1998
5274855Siphon flushing mechanism and method
A siphon flush mechanism is provided for a conventional commode water storage tank in which a siphon metering valve is utilized to control the level of water contained within the flush mechanism. An arcuate flexible connector tube is lifted by the action ...
01/04/1994
4965892Syphonic flush toilet
A syphonic flush toilet having a conventional water tank having a drain outlet in its bottom wall. The tank has a lid having a plunger aperture therein. A syphon assembly formed of a floating top housing member and a stationary bottom housing member are l...
10/30/1990
4254934Hydraulic syphon with pneumatic reflux
Hydraulic syphon with automatic reflux, working in tanks disposed at whichever height from the discharge point, particularly for the discharge of the tanks for the flushing of water closets. Two cylindrical tubular elements are disposed, in a position reciproc...
03/10/1981
4152794Automatic pressure flush-toilet of delaying drainage
This invention discloses an improvement in the flush-toilet at which the water will flush out automatically into the basin at the period of time after somebody uses it. By means of two pumps installed at different levels and a connector to contain a magne...
05/08/1979
 
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