Patent References 563956 665706 794994 3018780 3659368 3803729 Fastener structure for files and multi-purpose clip for use therewith Patent #: 4790680 InventorApplicationNo. 330311 filed on 03/29/1989US Classes:402/25, SHEET RETAINER WITH MEANS TO FORCE SHEET THEREON402/68, Keeper including apertured or recessed sheet retainer receiving component402/80PPlasticExaminersPrimary: Bell, Paul A.Attorney, Agent or FirmForeign Patent References
International ClassB42F 013/00AbstractAn elastic clip with positioning means for positioning of perforations, including a bottom block with an U-shaped frame bar movably mounted thereon, which U-shaped frame bar is having two positioning rods for positioning of paper documents through two punched holes made on the paper documents. The bottom block is having a bridge frame integrally extended from the rear portion to project upward and to bend forward by means of a folding line, with the front end of the bridge frame formed into a tongue plate for clamping of paper documents and with an arch frame integrally made thereon at the top to reinforce the clamping effect of the tongue plate. | |