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Paper, Printing & Office Supplies
Class Information
Number:
281/26
Name:
Books, strips, and leaves
>
Book, element thereof, or accessory therefor
>
Binding
> Undercut slot
Description:
The backs of the signatures and leaves being slotted, the planes of the cuts being inclined to the plane of the backs.
Patents under this class:
Patent Number
Title Of Patent
Date Issued
5845941
Multi clip binder with unique clip positioning
Dec. 8, 1998
4815766
Re-usable test booklet
Mar. 28, 1989
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