Patent information:

Patent:Utility 428,979
Patented:May 27, 1890
Applied:August 12, 1889
Title:Electric Insulator
Description:Blocks coated with composition material to support overhead lines for electric railway
Category:Composition
Assigned to:The Gould & Watson Co.

Patentee Information:

WATSON, George B. Boston, MA

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:185INSULATORS With terminal elements Plural Overlapping Pin and opposed terminal;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1