Patent information:

Patent:Utility 1,312,053
Patented:August 5, 1919
Applied:November 18, 1918
Title:Process of Decomposing Potassium Silicates
Description:Process of extracting potassium to be used in glass manufacture (see patent 1,327,781; 1,327,782)
Category:Glass
Assigned to:H. C. Fry Glass Co.

Patentee Information:

SCHOLES, Samuel R. Beaver, PA

Class and subclass information:

Class:423CHEMISTRY OF INORGANIC COMPOUNDS
Subclass:123 
Class:423CHEMISTRY OF INORGANIC COMPOUNDS
Subclass:422 
Class:423CHEMISTRY OF INORGANIC COMPOUNDS
Subclass:630 

Known specimens:

None known