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. 06, 2001
Filed:
Apr. 25, 2000
Applicant:
Inventors:
James R. Powell, Shoreham, NY (US);
George Maise, Stony Brook, NY (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64F 1/04 ;
U.S. Cl.
CPC ...
B64F 1/04 ;
Abstract
A spacecraft may be launched into outer space around the earth by magnetically suspending a sky tube having an inlet on earth and an outlet at altitude. The sky tube is evacuated, and the spacecraft is propelled therethrough to achieve escape velocity for reaching outer space.