Patent information:

Patent:Utility 409,986
Patented:August 27, 1889
Applied:June 14, 1889
Title:Process of Attaching Composition of Matter to Metal
Description:Method of molding the composition material under pressure in metal parts and allowing it to cool to prevent expansion and create a secure attachment to the metal
Category:Composition
Assigned to:1/2 to The Gould & Watson Co.

Patentee Information:

LEE, Charles Tennant Boston, MA

Class and subclass information:

Class:264PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES
Subclass:110FORMING ARTICLES BY UNITING RANDOMLY ASSOCIATED PARTICLES Mica particles;

Known specimens:

None known