Patent information:
| Patent: | Design 52,991 |
| Patented: | February 11, 1919 |
| Applied: | September 7, 1917 |
| Title: | Design for an Insulator |
| Description: | Miscellaneous knob |
| Category: | Knob |
| Assigned to: | |
Patentee Information:
Class and subclass information:
| Class: | D13 | EQUIPMENT FOR PRODUCTION, DISTRIBUTION, OR TRANSFORMATION OF ENERGY |
| Subclass: | 132 | |
Known specimens:
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Drawings:
Page 1 |
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