Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
156 words
An audiovisual instructional apparatus Comprising at least one signature having a plurality of pages, at least a portion of said pages having imprinted thereon informational matter, a case of relatively lightweight material secured to said signature, an outer cover surrounding said signature and said case and secured to said signature, said case comprising a rectangular frame having front, rear and side surfaces, said first surface having a depression therein for receiving a magnetic tape cassette, an inner cover comprising a front leaf, as rear leaf, and an intermediate strip joining said front and back leaves, one of said side surfaces of said frame being adhered to said intermediate strip and said front and rear leaves of said inner cover being adhered to said front and rear surfaces of said frame respectively, said front leaf overlying only a portion of said front surface and cooperating with said depression to form a compartment for retention of said cassette.
Claim 2
Dependent Claim
156 words
An audiovisual instructional apparatus Comprising at least one signature having a plurality of pages, at least a portion of said pages having imprinted thereon informational matter, a case of relatively lightweight material secured to said signature, an outer cover surrounding said signature and said case and secured to said signature, said case comprising a rectangular frame having front, rear and side surfaces, said first surface having a depression therein for receiving a magnetic tape cassette, an inner cover comprising a front leaf, as rear leaf, and an intermediate strip joining said front and back leaves, one of said side surfaces of said frame being adhered to said intermediate strip and said front and rear leaves of said inner cover being adhered to said front and rear surfaces of said frame respectively, said front leaf overlying only a portion of said front surface and cooperating with said depression to form a compartment for retention of said cassette.
Claim 3
Dependent Claim
54 words
The audiovisual apparatus of claim 1 and including a second depression in said rear surface of said frame for receiving a second tape cassette, and wherein said rear leaf of said inner cover only partially overlies said rear surface and cooperates with said depression to form a compartment for retention of said second cassette.
Claim 4
Dependent Claim
23 words
The audiovisual apparatus of claim 2 and the information printed upon opposing pages of said signature is inverted with respect to each other.
Claim 5
Dependent Claim
39 words
The audiovisual apparatus of claim 1 wherein said depressed area is defined by inwardly directed sidewalls and including a beveled portion in one of said sidewalls to facilitate the insertion or removal of said cassette from said depressed portion.
Claim 6
Dependent Claim
17 words
The audiovisual apparatus of claim 1 and including cassette-engaging retention means in the bottom of said depression.