Patent information:
| Patent: | Utility 297,683 |
| Patented: | April 29, 1884 |
| Applied: | February 21, 1883 |
| Title: | Telephone Line |
| Description: | Insulator and pin coated with waterproof compound |
| Category: | Miscellaneous |
| Assigned to: |
Patentee Information:
| DOOLITTLE, Thomas B. | Bridgeport, CT |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 32 | ANTI-INDUCTIVE STRUCTURES; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 137B | INSULATORS; Compositions; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 164 | INSULATORS; With insulator-supporting or attaching means; Support penetrating; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 174 | INSULATORS; With conductor holding means; Insulator structure; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 194 | INSULATORS; With terminal elements; Pin type; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 209 | INSULATORS; Sectional, multi-part, composite, or coated; |
| 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:
| None known |
Drawings:
Page 1 |