Patent information:
| Patent: | Utility 1,721,657 |
| Patented: | July 23, 1929 |
| Applied: | December 2, 1926 |
| Title: | Insulator |
| Description: | Tree insulator (porcelain) improved with ribs - strengthening (see 1,620,804) |
| Category: | Tree |
| Assigned to: |
Patentee Information:
| CUTTER, Scott C. | Oswego, IL |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 162 | INSULATORS; With insulator-supporting or attaching means; Double arm; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 158R | INSULATORS; With insulator-supporting or attaching means; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 175 | INSULATORS; With conductor holding means; Insulator structure; Self-retaining; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 212 | INSULATORS; Surface configuration; |
Known specimens:
| Number: |  |
Drawings:
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