Patent information:
| Patent: | Utility 87,187 |
| Patented: | February 23, 1869 |
| Applied: | |
| Title: | Improved Composition Insulator for Telegraph and other Electric Conductors |
| Description: | Composition material of silica, gum shellac etc. molded |
| Category: | Composition |
| Assigned to: |
Patentee Information:
| MERRICK, JR., John M. | Boston, MA |
Class and subclass information:
| Class: | 106 | COMPOSITIONS: COATING OR PLASTIC |
| Subclass: | 241 | COATING OR PLASTIC COMPOSITIONS; Natural resin or derivative containing; With filler, dye or pigment; |
Known specimens:
| Number: |  |
Drawings:
Page 1 |