Patent information:
| Patent: | Utility 392,775 |
| Patented: | November 13, 1888 |
| Applied: | May 9, 1888 |
| Title: | Electric Circuit |
| Description: | Criss-crossing of overhead telephone wire to prevent crosstalk between parallel lines |
| Category: | Telephone |
| Assigned to: | The American Telephone & Telegraph Co. |
Patentee Information:
| BARRATT, John A. | Brooklyn, NY |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 33 | ANTI-INDUCTIVE STRUCTURES; Conductor transposition; |
Known specimens:
| None known |
Drawings:
Page 1 |
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Page 3 |