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:
Jan. 31, 1995
Filed:
Dec. 04, 1992
Applicant:
Inventors:
John F Tryon, Houston, TX (US);
Jennings M Ledbetter, Long Beach, CA (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21S / ;
U.S. Cl.
CPC ...
362362 ; 362219 ; 362223 ; 362225 ;
Abstract
The invention relates to a light box including (a) a plurality of elongated L-shaped top sections abutted length-wise end-to-end, each of the top sections having a top flange substantially horizontally oriented and an integral back flange substantially vertically oriented; and (b) a plurality of bottom sections where the bottom sections are attached to the top sections; and (c) a single elongated translucent lens slidably secured between the outer edges of the top and bottom sections.