Fences Patents (Class 256)
Miscellaneous (Class 256/1)
Barbed (Class 256/2)
Electric (Class 256/10)
Top guarded (Class 256/11)
Driftage control (Class 256/12.5)
Flood (Class 256/13)
Highway guard (Class 256/13.1)
Track guard (Class 256/14)
Earth, stone, plastic, and wooden (Class 256/19)
Hedge (Class 256/20)
Metallic (Class 256/21)
Suspended (Class 256/23)
Panel (Class 256/24)
Wire (Class 256/32)
Rail (Class 256/59)
Panels (e.g., gates) (Class 256/73)

Foreign Patent Art Collections

Class-related foreign documents (Class 256/FOR000)
Rail

Digests

Compensator, spring (Class 256/DIG1)
Adjustable or falling fence (Class 256/DIG2)
Wire clamp (Class 256/DIG3)
Board fastener (Class 256/DIG4)
Metal post (Class 256/DIG5)
Building construction guard rail (Class 256/DIG6)