Patent information:

Patent:Utility 8,930
Patented:May 4, 1852
Applied:
Title:Improvement in Lightning Rods
Description:Lightning rod point made of steel coated with various other metals such as copper, tin, etc.
Category:Lightning Rod Point
Assigned to: 

Patentee Information:

SPRATT, James Cincinnati, OH

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:4RAIR TERMINALS;
Class:428STOCK MATERIAL OR MISCELLANEOUS ARTICLES
Subclass:658ALL METAL OR WITH ADJACENT METALS Composite i.e., plural, adjacent, spatially distinct metal components (e.g., layers, joint, etc.) Transition metal-base component Group IIB metal-base component Zn-base component;
Class:428STOCK MATERIAL OR MISCELLANEOUS ARTICLES
Subclass:670ALL METAL OR WITH ADJACENT METALS Composite i.e., plural, adjacent, spatially distinct metal components (e.g., layers, joint, etc.) Transition metal-base component Group VIII or IB metal-base component Platinum group metal-base component;
Class:428STOCK MATERIAL OR MISCELLANEOUS ARTICLES
Subclass:677ALL METAL OR WITH ADJACENT METALS Composite i.e., plural, adjacent, spatially distinct metal components (e.g., layers, joint, etc.) Transition metal-base component Group VIII or IB metal-base component Cu-base component Next to Fe-base component Fe-base has 0.01-1.7% carbon (i.e., steel);

Known specimens:

None known

Drawings:

Drawing page 1

Page 1