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Patent No. 6295668

Maternity Beach Chair

A beach chair which can be adapted for a woman who is pregnant and wishes to sunbathe in the prone position.

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Class 73/41.2 - With immersion


Subclass of Class 73 - Measuring and testing
Definition: Subject matter including immersing the article in a liquid.
No. of patents: 7
Last issue date: 12/04/2007


NumberTitleIssue Date
7303060Material conveying system without dust rising
A material conveying system without dust rising, having a plurality of trays; a transmission mechanism, for carrying the trays and transmitting the trays in motion; and a controller, for controlling the transmission mechanism, is characterized in that the material c...
12/04/2007
6526810Mobile apparatus and method for testing a container seal
The present invention provides an apparatus and method for evaluating the integrity of seal on liquid-filled container. According to one aspect of the invention, the apparatus comprises a for containing a liquid solution and a clamp with a first and secon...
03/04/2003
5261276Fuel oil monitor system and method
A system and method for providing for a remote readout of liquid levels in an oil tank, which system includes an oil tank having an air vent and containing liquid amounts whose levels are to be determined; a single bubble tube inserted in the oil tank, wi...
11/16/1993
4903524Method of and apparatus for detecting bubbles from hermetic container and method of detecting leak in hermetic container
Disclosed is a method of detecting bubbles issuing from a hermetic container. A hermetic container, i.e., an object to be measured, is immersed in a liquid, and pressurized air is applied to this hermetic container to produce bubbles from a leaking portio...
02/27/1990
4869096Apparatus for testing groups of pressurized cans for leakers
A water bath apparatus for testing pressurized cans of aerosol products in groups for leakers. A spokeless horizontal cylinder is supported and rotatable on trunnions in a tank partly filled with water. The cylinder has end rings which ride on sets of tru...
09/26/1989
4852392High pressure drum testing apparatus and method
A drum testing apparatus simultaneously tests the bottom chine, sidewall vertical chine, and wall integrity of a typical drum, such as a 55-gallon drum. The apparatus includes a frame for supporting the drum to be tested in a generally upright position. A...
08/01/1989
3950982Aerosol water bath
An improved aerosol can testing apparatus including an endless belt carrying a plurality of can suspending members on either side, the aerosol cans being suspended vertically by a spring load plastic finger assembly, and with further automatic can dischar...
04/20/1976
 
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