Patent information:
| Patent: | Utility 697,001 |
| Patented: | April 8, 1902 |
| Applied: | December 6, 1901 |
| Title: | Insulator |
| Description: | 2-piece reversible nail-knob “P. E. M. Co. knob” (made by the Porcelain Electric Mfg. Co.) formerly known as the “W. E. split knob”. When Thomas received exclusive right to make and market the knob, it was called Thomas “T. P. I. knob “. |
| Category: | Knob |
| Assigned to: | 1/2 to Elmer Larrabee |
Patentee Information:
| NICHOLS, William H. | Bennington, VT |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 157 | INSULATORS; Divided insulator; Aligned through aperture; |
| Class: | 24 | BUCKLES, BUTTONS, CLASPS, ETC. |
| Subclass: | 129A | CORD AND ROPE HOLDERS; One-piece; Slack adjuster; |
Known specimens:
| Number: |
Drawings:
Page 1 |