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:
Jun. 02, 1981
Filed:
May. 23, 1979
Alex Imatt, Chicago, IL (US);
Marvin Glass & Associates, Chicago, IL (US);
Abstract
An amusement device useful in spelling education includes a base structure having an upper playing board with a plurality of openings arranged in a matrix of rows and columns. A removable plug is provided for each of the openings and each plug is shaped to seat within an opening and includes a handle to facilitate manual withdrawal and replacement of the plug. A disk is mounted for rotation under the playing board with an upper surface viewable through the matrix of openings when the plugs are withdrawn. The upper surface of the disk is provided with a plurality of matrices rows and columns of alphabetic characters, and each matrix is positioned to align the characters below the openings in the playing board for viewing when the disk is indexed into any of several rotative indexing positions.