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:
Jul. 31, 2001
Filed:
Jan. 07, 2000
Applicant:
Inventor:
Robert E. Almblad, Mundelein, IL (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B61L 2/904 ;
U.S. Cl.
CPC ...
B61L 2/904 ;
Abstract
A railroad safety system for use at an intersection of a roadway and a railroad track, that comprises a sensor for detecting a hazardous situation and a voice alarm for giving a voice command to warm drivers and pedestrians of the hazardous situation.