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:
Feb. 12, 2008
Filed:
Aug. 14, 2006
Applicants:
James George Allen, Lexington, KY (US);
Alfred Arthur Lutz, Georgetown, KY (US);
Jacob Daniel Rupp, Ii, Lexington, KY (US);
Inventors:
James George Allen, Lexington, KY (US);
Alfred Arthur Lutz, Georgetown, KY (US);
Jacob Daniel Rupp, II, Lexington, KY (US);
Assignee:
Lexair, Inc., Lexington, KY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B61D 3/00 (2006.01); B61D 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Pivotally mounted doors forming the floor of a railroad car are prevented from opening inadvertently through not allowing air pressure to be applied to a door opening piston until the air pressure exceeds a predetermined amount.