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. 20, 1981
Filed:
Feb. 19, 1980
Applicant:
Inventor:
William F Donovan, Aberdeen, MD (US);
Assignee:
The United States of America as represented by the Secretary of the Army, Washington, DC (US);
Primary Examiner:
Int. Cl.
CPC ...
F42B / ;
U.S. Cl.
CPC ...
102 / ; 102 / ; 102 921 ;
Abstract
A spin stabilized projectile is arranged to have variable flight stability. he projectile has a casing with a cavity that contains a given mass of fluid. The cavity is shaped to provide a balanced flow of fluid with respect to the axis of spin as the projectile is trajected. This balanced flow alters the flight stability of the projectile.