Patent information:
| Patent: | Utility 2,142,422 |
| Patented: | January 3, 1939 |
| Applied: | November 10, 1936 |
| Title: | Insulator and Method of Manufacturing the Same |
| Description: | Method of making station post insulators with hollow cavity and filling cavity with dry gas |
| Category: | Insulator |
| Assigned to: | The Ohio Brass Co. |
Patentee Information:
| TAYLOR, John J. | Wadsworth, OH |
Class and subclass information:
| Class: | 264 | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
| Subclass: | 632 | OUTSIDE OF MOLD SINTERING OR VITRIFYING OF SHAPED INORGANIC ARTICLE OR PREFORM; Producing hollow article (e.g., tube, etc.); |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 30 | WITH FLUIDS OR VACUUM; Insulators; |
| Class: | 264 | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
| Subclass: | 267 | MECHANICAL SHAPING OR MOLDING TO FORM OR REFORM SHAPED ARTICLE; To produce composite, plural part or multilayered article; Shaping material and uniting to a preform; Against inner surface of hollow preform; |
| Class: | 264 | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
| Subclass: | 85 | UTILIZING SPECIAL INERT GASEOUS ATMOSPHERE OR FLUSHING MOLD WITH INERT LIQUID; |
Known specimens:
| None known |
Drawings:
Page 1 |