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:
Nov. 01, 2011
Filed:
Jun. 30, 2008
Applicants:
Jyun-horng Fu, Centreville, VA (US);
Robert James Howard, Clifton, VA (US);
Antonio Paulic, Arlington, VA (US);
John W. Rapp, Manassas, VA (US);
Inventors:
Jyun-Horng Fu, Centreville, VA (US);
Robert James Howard, Clifton, VA (US);
Antonio Paulic, Arlington, VA (US);
John W. Rapp, Manassas, VA (US);
Assignee:
Lockheed Martin Corporation, Bethesda, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F41C 9/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus and method for sealing the barrel of an underwater gun between firings is disclosed. The apparatus clears the barrel and/or prevents water from entering the barrel based on pressure variations.