| Patent information: 
  | Patent: | Utility 401,343 |  | Patented: | April 16, 1889 |  | Applied: | March 15, 1888 |  | Title: | Electric Wire Nail |  | Description: | U-shaped wire nail that is round at the top to protect the wooden covering over the wire. (see article 12125) |  | Category: | Nail |  | Assigned to: | 1/2 to Madison Rush |  Patentee Information: Class and subclass information: 
  | Class: | 411 | EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER |  | Subclass: | 470 | IMPACT DRIVEN FASTENER, E.G., NAIL, SPIKE, TACK, ETC.;  Multiple prong, e.g., nailing plate, staple, etc.;  Having prongs of different length; |  | Class: | 256 | FENCES |  | Subclass: | 48 | WIRE;  Connections;  Cross; |  | Class: | 411 | EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER |  | Subclass: | 920 | STAPLE; |  Known specimens: | Drawings: 
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