The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 27, 2001
Filed:
Jul. 31, 1998
Applicant:
Inventors:
Jeffrey D. Kernwein, Cedar Rapids, IA (US);
David H. Halvorson, Cedar Rapids, IA (US);
Assignee:
Wabtec Railway Electronics, Inc., Germantown, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60Q 1/26 ;
U.S. Cl.
CPC ...
B60Q 1/26 ;
Abstract
A method and apparatus for providing warning lamps on the side of railcars where the lamps are powered by and receive information from a power line extending across numerous cars of the train and where the power line also provides power and information to the electronic air brakes disposed on the various railcars.