Patent information:
Patent: | Utility 444,879 |
Patented: | January 20, 1891 |
Applied: | April 22, 1890 |
Title: | Insulator |
Description: | Tree hanger |
Category: | Tree |
Assigned to: | |
Patentee Information:
Class and subclass information:
Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
Subclass: | 161R | INSULATORS; With insulator-supporting or attaching means; Adjustably or movably mounted; |
Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
Subclass: | 156 | INSULATORS; Divided insulator; |
Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
Subclass: | 209 | INSULATORS; Sectional, multi-part, composite, or coated; |
Known specimens:
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Drawings:
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