Imitated normal hard book cover
United States Patent 3231296
US Patent References:
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- - 0169905


Inventors:
Fay, Margolis
Publication Date:
01/25/1966
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Assignee:
F M CHARLTON CO INC
Primary Class:
281/29
Other Classes:
D19/26
International Classes:
B42D3/00
Foreign References:
FR1041118A
GB424774A
GB724987A