Patent information:
| Patent: | Utility 2,552,522 |
| Patented: | May 15, 1951 |
| Applied: | June 28, 1947 |
| Title: | Device for Inspecting Transparent Threaded Glass Articles Such as Insulators |
| Description: | Insulator inspection device for dark amber insulators |
| Category: | Manufacturing |
| Assigned to: | Armstrong Cork Co. |
Patentee Information:
| COUNSELLOR, JR., Edward D. | Millville, NJ |
Class and subclass information:
| Class: | 356 | OPTICS: MEASURING AND TESTING |
| Subclass: | 426 | |
| Class: | 362 | ILLUMINATION |
| Subclass: | 35 |
Known specimens:
| None known |
Drawings:
Page 1 |