Patent information:

Patent:Utility 103,122
Patented:May 17, 1870
Applied:
Title:Improvement in Insulators for Telegraphic Wire
Description:Hook with metallic oxide cement to hold hook or pin
Category:Hook
Assigned to: 

Patentee Information:

BAKER, Robert B. Philadelphia, PA

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:148INSULATORS Multiple insulator assemblies;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:163RINSULATORS With insulator-supporting or attaching means Support and/or insulator embracing or clamping;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:164INSULATORS With insulator-supporting or attaching means Support penetrating;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:170INSULATORS With conductor holding means Fitting or terminal type Hooks;
Class:501COMPOSITIONS: CERAMIC
Subclass:140CERAMIC COMPOSITIONS Elemental sulfur containing;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1