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Class 52/47 - And longitudinal ridge


Subclass of Class 52 - Static structures (e.g., buildings)
Definition: Structure associated structurally with a ridge running centrally
No. of patents: 2
Last issue date: 05/29/2001


NumberTitleIssue Date
6237505Large capacity car body for pressure discharge railway hopper cars
A large capacity car body for a pressure discharge railway hopper car has a plurality of end slope plates assemblies, each having a slope sheet, and a plurality of intermediate slope sheet units, each of inverted "V" shape. The intermediate slope sheet un...
05/29/2001
5339582Roof vent
An air dam or adjustable part mounted on a vent having openings extending traversely and placed upon the ridge of a roof. The air dam includes an outturned upper flange and a lower leg with the outer edge of the flange being spaced from the inner surface ...
08/23/1994
 
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