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. 11, 1994
Filed:
Sep. 15, 1992
Applicant:
Inventors:
Brian L Aiken, Orlando, FL (US);
Dominick Loscalzo, Whitestone, NY (US);
Anthony J Barsanti, New York, NY (US);
Assignee:
Dart Industries Inc., Deerfield, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09B / ;
U.S. Cl.
CPC ...
434333 ; 434191 ; 434199 ; 434327 ; 40447 ;
Abstract
A learning device including a holder having a storage area and a display area. Information cards including a problem and a coded solution are selectively introduced into the display area wherein the problem remains visible and the coded answer is viewed through one or more specifically configured openings which combine with the coded answer to provide a deciphered or readable answer.