Patent information:

Patent:Utility 483,646
Patented:October 4, 1892
Applied:June 1, 1892
Title:Process of Making Artificial Mica Sheets for Electrical Insulation
Description:Molding process to make artificial sheets of mica
Category:Mica
Assigned to:Eugene Munsell & Co.

Patentee Information:

DYER, Arthur H. S. Schenectady, NY

Class and subclass information:

Class:264PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES
Subclass:110FORMING ARTICLES BY UNITING RANDOMLY ASSOCIATED PARTICLES Mica particles;
Class:428STOCK MATERIAL OR MISCELLANEOUS ARTICLES
Subclass:324WEB OR SHEET CONTAINING STRUCTURALLY DEFINED ELEMENT OR COMPONENT Including a second component containing structurally defined particles Mica;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1