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1809504
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Information
Patent Grant
1809504
References
Source
Patent Number
1,809,504
Date Filed
Not available
Date Issued
Tuesday, June 9, 1931
93 years ago
CPC
B28B19/0007 - for producing articles with exposed aggregate
B28B19/0053 - to tiles, bricks or the like
E04C2/041 - composed of a number of smaller elements
E04C2002/008 - Panels with the appearance of a natural stone wall
Y10S264/57 - Processes of forming layered products
US Classifications
052 - Static structures
249 - Static molds
264 - Plastic and nonmetallic article shaping or treating: processes
404 - Road structure, process, or apparatus
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