Back to results
US 4,979,749 AGranted
Multi-use number board
OwnerRichard A. Onanianinventor
Life of this patent
Estimating the term…
Abstract
A multi-use number board including a board having a series of substantially square raised surfaces or lands arranged in rows and columns on the top surface of the board and separated by an array of substantially perpendicular channels, and including holes at the intersections of the channels; the pegs having two ends, both of which may be inserted into the holes, one end being easily removable, the other end forming a friction fit so the peg extends fixedly from the surface of the board.
Claims12
A multi-use number board comprising:
- a board having a top and bottom surface, said top surface including a plurality of substantially perpendicular, recessed channels;
- said recessed channels having a substantially flat bottom defining elevated land areas on said top surface;
- said recessed channels containing a plurality of holes located at the intersection of said perpendicular recessed channels;
- and
- said holes extending through said board, accessible from the top and the bottom of said board.
2 more elements
Dependencies are inferred from the claim text.