Patent information:
| Patent: | Utility 607,315 |
| Patented: | July 12, 1898 |
| Applied: | April 13, 1898 |
| Title: | Insulator |
| Description: | Wall tube of two split pieces [Scientific American 8-6-1898] |
| Category: | Wall Tube |
| Assigned to: | 1/2 to Luella Wingard |
Patentee Information:
| WINGARD, Charles L. | Walla Walla, WA |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 153G | INSULATORS; Through wall or plate; Bushing type; Opposed wall engaging means; Grommets; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 155 | INSULATORS; Insulator and conductor embracing holder; Divided insulator; |
| Class: | 411 | EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER |
| Subclass: | 338 | HEADED FASTENER ELEMENT WITH NUT, WASHER, SECURING MEANS OR CAP; Lap bolt or fastener; |
Known specimens:
| None known |
Drawings:
Page 1 |