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. 02, 1980
Filed:
Oct. 12, 1978
Applicant:
Inventor:
Charles E Trame, Mequon, WI (US);
Assignee:
Everbrite Electric Signs, Inc., South Milwaukee, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B / ;
U.S. Cl.
CPC ...
3403782 ; 340764 ;
Abstract
A sign board comprises an opaque front plate interfacing with a translucent or reflective back plate. Slots in the front plate define the segments of 7-segment characters. Shutters are slideable within the interface to selectively open and close slots for defining individual characters. Means are provided for retaining the shutters in open and closed positions.