U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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Patent No. 5926857

Armor With Rollers

An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.

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Class 196 - Mineral oils: apparatus

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47 Subclasses


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Definition

This class relates to apparatus for treating, refining, or recovering mineral oils such as petroleum, coal tar, pitch, asphalt or related products, not elsewhere classified. Included specifically in this class are apparatus for dewaxing, solvent extraction or refining of such mineral oils as well as stills designed for mineral oil distillation and condensers peculiarly adapted and limited to the mineral oil art.

 
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