Suiter Swantz IP takes a look back at past inventions and inventors with our Patent Of The Day.
On this day in 1909, George Payne was granted U.S. Patent No. 880,753 for IMITATION MARBLE AND GRANITE.
The object of this invention is to produce imitation marble or granite blocks having a polished and ornamental surface made of petrefite or other similar magnesite cement. The cement may be in the form of a thin coating on a suitable backing, such as slate, wood, sheet metal, cardboard or bricks, or it may be solid in the form of tiles.
The magnesite or other similar cement is placed on a very smooth or polished surface, such as smooth or polished g ass, and pressed into close contact with the same. The backing, when such is used, is then pressed against the cement before this latter as set and adheres to the cement. When the cement has set it is removed from, the glass by slightly twisting the cement and backing with relation to the smooth surface, thereby allow in air to enter between the two surfaces. It will be found that the magnesite cement has acquired a beautiful hard polished surface. In some cases tiles, bricks or building blocks, of solid magnesite cement may be formed by forming them in molds having one or more highly polished surfaces. When desired a suitable colors may be applied to the back of the cement before placing the backing, when such is used, in contact with the cement. By these means various effects may be obtained, some representing marble or granite, as the coloring matter passes into the cement and is seen through the polished surface thereof.
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