Ring binder having a torsionally stiffened blade

Information

  • Patent Grant
  • D448045
  • Patent Number
    D448,045
  • Date Filed
    Wednesday, December 20, 2000
    23 years ago
  • Date Issued
    Tuesday, September 18, 2001
    23 years ago
  • US Classifications
    Field of Search
    • US
    • D19 22
    • D19 27
    • D19 32
    • 402 31
    • 402 38
    • 402 37
    • 402 36
    • 402 41
  • International Classifications
    • 1904
    • Term of Grant
      14Years
Abstract
Description




FIG. 1 is a side elevational view of a ring binder, showing my new design;




FIG. 2 is a top plan view thereof;




FIG. 3 is a bottom plan view thereof;




FIG. 4 is a bottom plan view of one blade of the binder shown separately for ease of illustration; and,




FIG. 5 is a sectional view taken on the plane 5—5 in FIG. 4.



Claims
  • The ornamental design for ring binder having a torsionally stiffened blade, as shown and described.
US Referenced Citations (13)
Number Name Date Kind
D. 389182 Law Jan 1998
D. 389183 Chan Jan 1998
D. 397146 Chan Aug 1998
D. 405113 Ko Feb 1999
D. 430898 To Sep 2000
2612169 Segal Sep 1952
5788390 Law Aug 1998
5788391 Cheung Aug 1998
5807006 Cheung Sep 1998
5810500 Whaley Sep 1998
5836709 Cheung Nov 1998
5868513 Law Feb 1999
6109813 To et al. Aug 2000