Patent information:

Patent:Utility 1,327,782
Patented:January 13, 1920
Applied:August 20, 1917
Title:Process of Obtaining Combined Potassium from Minerals
Description:Process of extracting potassium to be used in glass manufacture (see patent 1,312,053; 1,327,781)
Category:Glass
Assigned to: 

Patentee Information:

SCHOLES, Samuel R. Beaver, PA

Class and subclass information:

Class:423CHEMISTRY OF INORGANIC COMPOUNDS
Subclass:189 
Class:423CHEMISTRY OF INORGANIC COMPOUNDS
Subclass:421 

Known specimens:

None known