Patent ID: 6129388
Filing Date: 2000-10-10
Classification: G09B

Abstract:
A slide chart comprising:a flat sleeve composed of a sheet material and having two broad sides connected together along a pair of longitudinal edges, at least one window formed in at least one of said broad sides, and at least one open end;a flat slide of a sheet material insertable into said sleeve and extending out of said open end of said sleeve, or visible in a thumb notch on an end of said sleeve having on at least one side thereof indicia viewable through said window; andstop means effective upon displacement of said slide for limiting displacement of said slide in said sleeve, said stop means including a free sleeve flap within said sleeve on one of said broad sides at an inside of said sleeve extending in one direction away from said open end and a free slide flap on said slide within said sleeve extending in an opposite direction and engageable with said sleeve flap.