Patent information:
Patent: | Utility 1,687,495 |
Patented: | October 16, 1928 |
Applied: | December 19, 1925 |
Title: | Insulator |
Description: | Transposition (1-piece) for telephone line shaped like CD 194.5, CD 195.5 |
Category: | Insulator |
Assigned to: | American Telephone & Telegraph Co. |
Patentee Information:
Class and subclass information:
Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
Subclass: | 30 | WITH FLUIDS OR VACUUM; Insulators; |
Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
Subclass: | 202 | INSULATORS; With terminal elements; Pin type; Screw or bayonet type; |
Known specimens:
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Drawings:
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