Patent information:
| Patent: | Utility 360,354 |
| Patented: | March 29, 1887 |
| Applied: | October 1, 1886 |
| Title: | Insulator |
| Description: | Acoustic insulator to reduce vibration of telephone wires in acoustic or mechanical telephones |
| Category: | Acoustic |
| Assigned to: | 1/2 to John E. Robertson |
Patentee Information:
| LOCKE, Willie F. | Concord, NH |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 30 | WITH FLUIDS OR VACUUM; Insulators; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 166R | INSULATORS; With insulator-supporting or attaching means; Support penetrating; Through aperture, penetrating element clamped; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 209 | INSULATORS; Sectional, multi-part, composite, or coated; |
| Class: | 404 | ROAD STRUCTURE, PROCESS, OR APPARATUS |
| Subclass: | 122 | |
| Class: | 411 | EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER |
| Subclass: | 439 | IMPACT DRIVEN FASTENER, E.G., NAIL, SPIKE, TACK, ETC.; |
Known specimens:
| None known |
Drawings:
Page 1 |