Patent information:
Patent: | Utility 1,381,838 |
Patented: | June 14, 1921 |
Applied: | March 30, 1920 |
Title: | Insulator Support |
Description: | Steel pins for crossarm made from one metal rod integral to the wooden crossarm and acts a braces for the crossarm. |
Category: | Pin |
Assigned to: | |
Patentee Information:
Class and subclass information:
Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
Subclass: | 149R | INSULATORS; Multiple insulator assemblies; Multiple conductor; |
Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
Subclass: | 158R | INSULATORS; With insulator-supporting or attaching means; |
Class: | 52 | STATIC STRUCTURES (E.G., BUILDINGS) |
Subclass: | 697 | OPENWORK; E.G., TRUSS, TRELLIS, GRILLE, SCREEN, FRAME, OR REBAR CHAIR; Shaft with truss-braced cross-arm; |
Known specimens:
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Drawings:
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