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:
Feb. 27, 1996
Filed:
Sep. 14, 1993
Applicant:
Inventors:
Robert R Keller, Bedford, NH (US);
Samuel F Keller, Bedford, NH (US);
Assignee:
Kalwall Corporation, Manchester, NH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E06B / ; E06B / ;
U.S. Cl.
CPC ...
5220459 ; 523111 ; 5279311 ; 527941 ; 156 63 ; 156100 ; 428 14 ; 428 38 ; 428117 ;
Abstract
A novel 'three-dimensional' appearing light-transmitting and insulating sandwich panel of planar outer facing sheets in which the illusion of a three-dimensional array of step-like block structures is produced by periodic light transmission contrasting blocks containing, internally of the panel, contrasting light-transmitting insulation filler battes in alternate blocks, and method of constructing the same.