Patent information:
| Patent: | Utility 1,784,392 |
| Patented: | December 9, 1930 |
| Applied: | August 17, 1928 |
| Title: | Manufacture of Insulators |
| Description: | Suspension insulator with glazed sanded surfaces to improve strength of cap |
| Category: | Suspension |
| Assigned to: | Locke Insulator Corp. |
Patentee Information:
Class and subclass information:
| Class: | 427 | COATING PROCESSES |
| Subclass: | 279 | NONUNIFORM COATING; Vitreous coating; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 209 | INSULATORS; Sectional, multi-part, composite, or coated; |
| Class: | 264 | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
| Subclass: | 131 | WITH PRINTING OR COATING OF WORKPIECE (OUT OF MOLD); Coating with particulate material; |
| Class: | 264 | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
| Subclass: | 601 | HEAT POLISHING (E.G., GLAZING, ETC.) OF INORGANIC ARTICLE SURFACE OUTSIDE OF MOLD; Of clay containing block, tile, or brick; |
| Class: | 427 | COATING PROCESSES |
| Subclass: | 376.2 | WITH POST-TREATMENT OF COATING OR COATING MATERIAL; Heating or drying (e.g., polymerizing, vulcanizing, curing, etc.); Fusion or softening of coating; Inorganic coating; Metal oxide- or silicon-containing coating (e.g., glazed, vitreous enamel, etc.); |
Known specimens:
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