Patent information:
| Patent: | Design 31,798 |
| Patented: | November 7, 1899 |
| Applied: | September 15, 1899 |
| Title: | Design for an Insulator |
| Description: | CD 143 with diagonal spiral ridges |
| Category: | Pin-type |
| Assigned to: | 11/20 to Clement Henry McLeod |
Patentee Information:
| WITHYCOMBE, Frederick H. | Montreal, Quebec, Canada |
Class and subclass information:
| Class: | D13 | EQUIPMENT FOR PRODUCTION, DISTRIBUTION, OR TRANSFORMATION OF ENERGY |
| Subclass: | 130 |
Known specimens:
| Number: | CD 143 |
Drawings:
Page 1 |