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:
Dec. 30, 1997
Filed:
Feb. 02, 1995
Applicant:
Inventor:
Derek A Tidman, McLean, VA (US);
Assignee:
General Dynamics Land Systems Inc., Sterling Heights, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F42B / ;
U.S. Cl.
CPC ...
102440 ; 102430 ; 102443 ; 89-8 ;
Abstract
A cartridge for accelerating a projectile includes a light gas pressurized in a sealed container to 5,000-10,000 psi. Upon ignition in the sealed container, a gas mixture having a low or intermediate molecular weight and a high or low energy density is applied as a high sound speed gas to accelerate the projectile to speeds of above about 2.4 km/sec.