Patent information:
| Patent: | Utility 2,468,663 |
| Patented: | April 26, 1949 |
| Applied: | August 11, 1945 |
| Title: | Article Illuminating Inspection Device For Amber Glass Insulators and Other Hollow Dense Walled Articles of Low Transparency |
| Description: | Insulator inspection device for dark amber insulators |
| Category: | Manufacturing |
| Assigned to: | Hartford-Empire Co. |
Patentee Information:
Class and subclass information:
| Class: | 356 | OPTICS: MEASURING AND TESTING |
| Subclass: | 426 | |
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Drawings:
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