Patent information:
Patent: | Utility 64,315 |
Patented: | April 30, 1867 |
Applied: | |
Title: | Improvement in Telegraph Insulator |
Description: | Gutta-percha and bell covering to keep section of wire dry |
Category: | Gutta |
Assigned to: | |
Patentee Information:
Class and subclass information:
Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
Subclass: | 135 | CONDUITS, CABLES OR CONDUCTORS; Accessories; |
Known specimens:
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Drawings:
Page 1 |
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