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:
Nov. 30, 1993
Filed:
May. 18, 1992
Applicant:
Inventors:
Kenneth W Nelson, Staten Island, NY (US);
Stanley L Roggenburg, Staten Island, NY (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09F / ;
U.S. Cl.
CPC ...
40616 ; 428187 ;
Abstract
A display device has two interlocked contrasting elements. A display element includes indicia and a first locking member. The background element includes a second locking member complementarily shaped to conform to the shape of the first locking member. The first locking member has two portions. The first portion is a waffle plate which tapers from top to bottom. The second portion includes a plurality of frusto-conical pads disposed beneath nodes of the waffle plate of the second portion.