Patent information:

Patent:Utility 2,776,332
Patented:January 1, 1957
Applied:June 25, 1952
Title:Self-Cleaning Outdoor High Tension Insulators
Description:Spiral or helical side petticoats that are washed by rain
Category:Spiral
Assigned to:Siemens-Schuckertwerke Aktiengesellschaft

Patentee Information:

VON CRON, Hans Berlin-Siemensstadt,, Germany

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:211INSULATORS With moisture or dirt removing or shedding;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:140RINSULATORS Combined With conductive arcing or stress distributing means;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:177INSULATORS With terminal elements Plural;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:212INSULATORS Surface configuration;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1

Drawing page 2

Page 2