Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Sun L Chang0
Date of Patent
March 11, 2008
0Patent Application Number
108381920
Date Filed
May 5, 2004
0Patent Primary Examiner
Patent abstract
A loose-leaf binder has a back, a binder made of a flexible material and attached to the back and two end plugs mounted respectively in ends of the back. The back has two tracks, two side slots and a middle slot. The binder has multiple open rings having two ends. Each plug has two side tines and a middle tine. A notebook with the loose-leaf papers can be easily attached to or detached from the loose-leaf binder by attaching or detaching the open rings of the binder to punched holes in the notebook simultaneously.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.
