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:
May. 31, 2016
Filed:
Sep. 15, 2014
Raafat Guirguis, Fairfax, VA (US);
Raafat Guirguis, Fairfax, VA (US);
The United States of America as Represented by the Secretary of the Navy, Washington, DC (US);
Abstract
A dart tail fin assembly includes a cylindrical dart body with a nose, a tail opposite the nose and an outer surface extending from the nose to the tail. A plurality of tail fins is attached to and spaced around the outer surface of the dart body. Each one of the tail fins includes a trailing edge aligned with the tail of the dart, a leading edge opposite the trailing edge toward the nose of the tail, a length from the trailing edge to the leading edge and a flat portion disposed at leading edge extending perpendicularly outward from the outer surface a first width. Each tail fin is detached from the outer surface of the dart body along a portion of the length extending back from the leading edge.