Bridges Patents (Class 14)
Truss and arch (Class 14/2)
Transportable (Class 14/2.4)
Truss (Class 14/3)
Suspension (Class 14/18)
Arch (Class 14/24)
Floating (Class 14/27)
Draw (Class 14/31)
Gangway, ramp, or dock leveler (Class 14/69.5)
Deck (Class 14/73)
Expansion device (e.g., bearing pad) (Class 14/73.5)
Covering (Class 14/74)
Girder (Class 14/74.5)
Pier (Class 14/75)
Bridge construction method (Class 14/77.1)
Miscellaneous (Class 14/78)

Foreign Patent Art Collections

Class-related foreign documents (Class 14/FOR000)