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:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:157INSULATORS Divided insulator Aligned through aperture;
Class:24BUCKLES, BUTTONS, CLASPS, ETC.
Subclass:129ACORD AND ROPE HOLDERS One-piece Slack adjuster;

Known specimens:

Number:   

Drawings:

Drawing page 1

Page 1