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:
Oct. 09, 1984
Filed:
Apr. 30, 1982
Applicant:
Inventors:
Fred R Schwartzberg, Denver, CO (US);
William H Tobey, Littleton, CO (US);
Assignee:
Martin Marietta Corporation, Bethesda, MD (US);
Primary Examiner:
Int. Cl.
CPC ...
E04H / ;
U.S. Cl.
CPC ...
52111 ; 52646 ; 52645 ; 343881 ; 343915 ;
Abstract
A box truss hoop which is defined by circumferentially adjacent collapsible boxes. The hoop is expandable radially from a compact, folded configuration to a deployed hoop configuration. Each of the boxes includes collapsible inner and outer frames, connecting side members extending between the inner and outer frames and diagonal braces. When employed as an antenna, the box truss hoop includes a shaped reflective surface extending across the hoop and a feed located at the focus of the reflective surface.