Patent information:
Patent: | Utility 1,687,556 |
Patented: | October 16, 1928 |
Applied: | July 1, 1925 |
Title: | Reduction of Attenuation Due to the Conductance Losses in Cross Arms and Insulator Pins |
Description: | CD 122.4; Metal thread thimble for wooden pins carrier circuits connected electrically to other pins or brackets on the same crossarm to reduce leakage losses |
Category: | Pin |
Assigned to: | American Telephone & Telegraph Co. |
Patentee Information:
Class and subclass information:
Class: | 333 | WAVE TRANSMISSION LINES AND NETWORKS |
Subclass: | 236 | |
Class: | 29 | METAL WORKING |
Subclass: | 887 | METHOD OF MECHANICAL MANUFACTURE; Electrical device making; Insulator making; |
Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
Subclass: | 163R | INSULATORS; With insulator-supporting or attaching means; Support and/or insulator embracing or clamping; |
Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
Subclass: | 200 | INSULATORS; With terminal elements; Pin type; With thimble in socket; |
Known specimens:
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Drawings:
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