Patent information:
| Patent: | Utility 512,656 |
| Patented: | January 9, 1894 |
| Applied: | June 19, 1891 |
| Title: | Relay |
| Description: | Method of making a telegraph relay more responsive |
| Category: | Relay |
| Assigned to: |
Patentee Information:
| LOCKE, Fred M. | Victor, NY |
Class and subclass information:
| Class: | 335 | ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS |
| Subclass: | 236 | |
| Class: | 335 | ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS |
| Subclass: | 270 | |
| Class: | 361 | ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES |
| Subclass: | 149 | CONTROL CIRCUITS FOR ELECTROMAGNETIC DEVICES; Systems for magnetizing, demagnetizing, or controlling the magnetic field; Demagnetizing; |
Known specimens:
| None known |
Drawings:
Page 1 |