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:
Sep. 09, 1997
Filed:
Oct. 25, 1995
Terry L Christenson, Roanoke, TX (US);
Lockheed Corporation, Fort Worth, TX (US);
Abstract
A plurality of transparent members are provided each of which has an elongated flat portion with a tip portion at one end forming an obtuse angle relative to the elongated flat portion with the tip portion having a narrowed end, and a spot of material located on the tip portion that fluoresces in the presence of blacklight. The spots of the plurality of transparent members are of different sizes respectively. Also provided is a flat transparent member having a series of spaced apart lines of different lengths with dimension numbers formed next to the lines respectively. The lines and numbers fluoresce in the presence of blacklight. The plurality of transparent members and the flat transparent member are coupled together for movement relative to each other.