US PATENT SUBCLASS 402 / 503
BINDER DEVICE, SHEET OR DEPOSITORY INCLUDING MAGNETIC MATERIAL

Current as of: June, 1999
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402 /   HD   BINDER DEVICE RELEASABLY ENGAGING APERTURE OR NOTCH OF SHEET

503BINDER DEVICE, SHEET OR DEPOSITORY INCLUDING MAGNETIC MATERIAL

DEFINITION

Classification: 402/503

Subject matter of this class including material having the property of magnetic attraction.