Patent information:
Patent: | Utility 196,733 |
Patented: | October 30, 1877 |
Applied: | September 22, 1877 |
Title: | Improvement in Forming Female Screw Threads in Glass Jars, Insulators, & c. |
Description: | Method of forming female threads inside the neck of jars and insulators |
Category: | Threads |
Assigned to: | |
Patentee Information:
Class and subclass information:
Class: | 65 | GLASS MANUFACTURING |
Subclass: | 305 | PRESS MOLDING MACHINE; |
Known specimens:
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Drawings:
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