Patent information:
| Patent: | Utility 633,174 |
| Patented: | September 19, 1899 |
| Applied: | February 2, 1899 |
| Title: | Insulator |
| Description: | CD 121 and CD 143 with external projections to absorb mechanical shock - spiral ridges |
| Category: | Insulator |
| Assigned to: | 11/20 to Clement H. McLeod |
Patentee Information:
| WITHYCOMBE, Frederick H. | Montreal, Quebec, Canada |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 211 | INSULATORS; With moisture or dirt removing or shedding; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 212 | INSULATORS; Surface configuration; |
Known specimens:
| Number: | CD 121 |
| Number: | CD 143 |
Drawings:
Page 1 |