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:
Jan. 08, 2013
Filed:
Sep. 29, 2009
Theodore Arthur Stocker, Jr., Florissant, MO (US);
Christopher Andrew Edmonds, St. Charles, MO (US);
Theodore Arthur Stocker, Jr., Florissant, MO (US);
Christopher Andrew Edmonds, St. Charles, MO (US);
American Railcar Industries, Inc., St. Charles, MO (US);
Abstract
A vacuum relief valve is provided. The vacuum relief valve includes a body having a side wall, and a stem that is movable with respect to the body between an open position and a closed position. The stem is biased in the closed position. The vacuum relief valve further includes a first sight glass coupled to the body and configured to enable visual inspection of a sealing area of the vacuum relief valve. The sealing area includes at least a portion of said stem.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile