Patent information:

Patent:Utility 1,975,297
Patented:October 2, 1934
Applied:May 17, 1930
Title:Insulator
Description:Suspension disk strengthen by acid etching glass under cap
Category:Suspension
Assigned to:Corning Glass Works

Patentee Information:

SHAVER, William W. Corning, NY

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:182INSULATORS With terminal elements Plural Cap and pin;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:189INSULATORS With terminal elements Cap type Plastic material adhered;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:196INSULATORS With terminal elements Pin type Plastic material adhered;
Class:216ETCHING A SUBSTRATE: PROCESSES
Subclass:97 

Known specimens:

None known

Drawings:

Drawing page 1

Page 1