Patent information:
| Patent: | Utility 343,014 |
| Patented: | June 1, 1886 |
| Applied: | January 27, 1886 |
| Title: | Means for Preventing Disturbances on Telephone Lines |
| Description: | Pre-transposition technique to eliminate induced current on telephone and telegraph wires |
| Category: | Transposition |
| Assigned to: |
Patentee Information:
| DANN, John E. | Honeoye Falls, NY |
| LAPP, John | Honeoye Falls, NY |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 32 | ANTI-INDUCTIVE STRUCTURES; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 5R | ELECTRIC SHOCK HAZARD PROTECTIVE DEVICES; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 45R | OVERHEAD; Towers, poles or posts; |
| Class: | 379 | TELEPHONIC COMMUNICATIONS |
| Subclass: | 417 |
Known specimens:
| None known |
Drawings:
Page 1 |