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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 |
| 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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