Perpetual appointment reminder

Claim 1

In a perpetual appointment reminder, the combination of A. a sleeve including a plurality of at least four joined, writing panels, each of which has two sides, said panels being joined at each said side in edge to edge juxtaposition to form an enclosure having an open top and an open bottom, at least a portion of each said panel being fabricated of transparent material, said panels being respectively joined by junctions which extend at right angles between the top and the bottom, said junctions being respectively bendable a first half of said junctions being bent to a substantially three hundred and sixty degree angle, and a second half of said junctions being bent to a substantially straight angle, whereby the panels arrange in pairs of panels which are superimposed; and B. an indicia imprinted card insertable into the sleeve through one said opening, said card being sub-divided into areas representing time intervals, each area respectively registering with a sleeve panel whereby the indicia on the card may be viewed directly through the sleeve, the said sleeve being rotatable about the card in spaced segments by bending the said first half of the junctions to a substantially straight angle and the said second half of the junctions to a substantially three hundred and sixty degree angle.