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:
Mar. 10, 1998
Filed:
Jan. 29, 1996
Applicant:
Inventors:
Richard W Zobel, Jr, Raleigh, NC (US);
David T Bennett, Chapel Hill, NC (US);
Raymond L Idaszak, Apex, NC (US);
Dennis Kovach, Cary, NC (US);
Assignee:
Alternate Realities Corporation, Research Triangle Park, NC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04H / ; G03B / ;
U.S. Cl.
CPC ...
52 82 ; 52-6 ; 52 801 ; 52 815 ; 52581 ; 525821 ; 359443 ; 359451 ;
Abstract
A multi-piece dome is constructed from a plurality of rigid panels and configured to receive a hemispherical optical projection on a truncated spherical inner surface. The inner view surface has a predetermined retroreflectivity. The multi-piece dome is lightweight, portable, self-supporting, and easily assembled, disassembled and transported from one location to another.