Patent information:
| Patent: | Utility 615,896 |
| Patented: | December 13, 1898 |
| Applied: | October 6, 1898 |
| Title: | Vacuum Insulator for Electric Conductors |
| Description: | Wall tube sealed in vacuum and protected from weather (see 608,906) |
| Category: | Wall Tube |
| Assigned to: |
Patentee Information:
| POCHE, Joseph Arthur | New Orleans, LA |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 9R | WITH FLUIDS OR VACUUM; Current conductive fluid and/or vacuum; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 151 | INSULATORS; Through wall or plate; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 31R | WITH FLUIDS OR VACUUM; Insulators; Axial passage and/or through wall or plate; |
Known specimens:
| None known |
Drawings:
Page 1 |