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Class Information
Number: 52/53
Name: Static structures (e.g., buildings) > Railroad car roof construction > Transverse sustaining rib integral with covering
Description: Structure comprising one or more transversely extending ribs formed integrally with the roof sections, and rib being substantially coextensive with the transverse dimension of the roof.

Patents under this class:

Patent Number Title Of Patent Date Issued
8440284 Reinforced lap in an inseam mechanically attached roofing membrane, methods for making the same, and method for installing the same May. 14, 2013
7983821 System and method for indicating to a remote location operation of an auger or the like Jul. 19, 2011
6933165 Method of making an electrostatic actuator Aug. 23, 2005
6761840 Fiberglass railcar roof Jul. 13, 2004
6378256 Wall closure for roof systems Apr. 30, 2002
6374546 Fiberglass railcar roof Apr. 23, 2002
6336411 Lightweight boxcar roof Jan. 8, 2002
6196136 Car and side structure for car and method of manufacturing the same Mar. 6, 2001
5979335 Railroad freight car for carrying motor vehicles Nov. 9, 1999
5916093 Composite fiberglass railcar roof Jun. 29, 1999
5233799 Arched building structure Aug. 10, 1993
4385563 Roof support for a railroad car roof May. 31, 1983
4262602 Covered hopper car partition attachment stiffness sheet modifier Apr. 21, 1981
4076166 Roof for railway car and method of making same Feb. 28, 1978
4020603 Roof for railway car May. 3, 1977

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