Patent information:
| Patent: | Utility 880,203 |
| Patented: | February 25, 1908 |
| Applied: | September 9, 1907 |
| Title: | Insulator |
| Description: | Suspension insulator with petticoat |
| Category: | Suspension |
| Assigned to: |
Patentee Information:
| DUNCAN, John D. E. | Brooklyn, NY |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 141R | INSULATORS; Combined; With conductive arcing or stress distributing means; Strings or stacks; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 196 | INSULATORS; With terminal elements; Pin type; Plastic material adhered; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 199 | INSULATORS; With terminal elements; Pin type; Expanded; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 210 | INSULATORS; Sectional, multi-part, composite, or coated; Pin socket type; |
| Class: | 191 | ELECTRICITY: TRANSMISSION TO VEHICLES |
| Subclass: | 42 | CONDUCTORS; Trolley; Supports; Combined ears and insulator; |
| Class: | 313 | ELECTRIC LAMP AND DISCHARGE DEVICES |
| Subclass: | 243 | WITH SUPPORT AND/OR SPACING STRUCTURE FOR ELECTRODE AND/OR SHIELD; For plural electrodes of discharge device; |
| Class: | 313 | ELECTRIC LAMP AND DISCHARGE DEVICES |
| Subclass: | 325 | MISCELLANEOUS DISCHARGE DEVICES; |
| Class: | 313 | ELECTRIC LAMP AND DISCHARGE DEVICES |
| Subclass: | 326 | ELECTRODE AND SHIELD STRUCTURES; |
| Class: | 313 | ELECTRIC LAMP AND DISCHARGE DEVICES |
| Subclass: | 357 | ELECTRODE AND SHIELD STRUCTURES; Rods; |
| Class: | 361 | ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES |
| Subclass: | 132 | SAFETY AND PROTECTION OF SYSTEMS AND DEVICES; High voltage dissipation (e.g., lightning arrester); Combined (e.g., with disconnect switch); With line supporting insulator; |
Known specimens:
| Number: |  |
Drawings:
Page 1 |
Page 2 |