Step-up file rack
Description
Claims
The ornamental design for a step-up file rack, as shown and described.
Referenced Cited
U.S. Patent Documents
583494 | June 1897 | Lundberg |
1396910 | November 1921 | Annable |
D231137 | April 1974 | Juhlin |
D258511 | March 10, 1981 | Ashton |
D299361 | January 10, 1989 | Lothe |
5036988 | August 6, 1991 | Rouire |
D323190 | January 14, 1992 | Evenson |
D339608 | September 21, 1993 | Aaldenberg |
D341621 | November 23, 1993 | Evenson |
D411860 | July 6, 1999 | Stravitz |
D421272 | February 29, 2000 | Patel |
D432171 | October 17, 2000 | Stravitz |
6320505 | November 20, 2001 | Scott |
D454912 | March 26, 2002 | Cheris et al. |
D468352 | January 7, 2003 | Chen |
D478355 | August 12, 2003 | Chen |
D502221 | February 22, 2005 | Chen et al. |
D550284 | September 4, 2007 | Goodman et al. |
D551248 | September 18, 2007 | Pieratt et al. |
20050230330 | October 20, 2005 | Killinger et al. |
Patent History
Patent number: D632739
Type: Grant
Filed: Apr 13, 2010
Date of Patent: Feb 15, 2011
Inventor: David M. Stravitz (New York, NY)
Primary Examiner: Elizabeth A Albert
Application Number: 29/349,534
Type: Grant
Filed: Apr 13, 2010
Date of Patent: Feb 15, 2011
Inventor: David M. Stravitz (New York, NY)
Primary Examiner: Elizabeth A Albert
Application Number: 29/349,534
Classifications
Current U.S. Class:
Substantially Vertical (D19/90)