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:
Jun. 14, 2011
Filed:
Jul. 07, 1989
Applicants:
L. Don Berchtold, Brigham City, UT (US);
Ralph S. Tappan, Brigham City, UT (US);
Inventors:
L. Don Berchtold, Brigham City, UT (US);
Ralph S. Tappan, Brigham City, UT (US);
Assignee:
Alliant Techsystems Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B63H 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A multiple-stage solid rocket motor is operated in a manner designed to control its mass discharge profile. This is accomplished by providing means for igniting one stage and then igniting a subsequent stage while the first continues to burn.
Berchtold, L.. (2011). Precision controlled variable thrust solid propellant rocket motor (U.S. Patent No. 7958718). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7958718
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile