Patent information:
| Patent: | Utility 445,008 |
| Patented: | January 20, 1891 |
| Applied: | May 25, 1890 |
| Title: | Insulator |
| Description: | Protective shield for trolley hanger insulator |
| Category: | Protective Shield |
| Assigned to: |
Patentee Information:
| VOGLER, William | Somerville, MA |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 139 | INSULATORS; Combined; |
| Class: | 104 | RAILWAYS |
| Subclass: | 235 | |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 176 | INSULATORS; With terminal elements; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 209 | INSULATORS; Sectional, multi-part, composite, or coated; |
Known specimens:
| None known |
Drawings:
Page 1 |