Ergo calculator
Description
The broken lines depict environmental structure only and form no part of the claimed design.
Claims
The ornamental design for an ergo calculator, as shown and described.
Referenced Cited
U.S. Patent Documents
D334766 | April 13, 1993 | Peersmann |
D337588 | July 20, 1993 | Cruz et al. |
D424604 | May 9, 2000 | Leung |
D451603 | December 4, 2001 | Bastyr et al. |
D477310 | July 15, 2003 | Moransais |
D513035 | December 20, 2005 | Lui |
D535335 | January 16, 2007 | Mandel |
D538327 | March 13, 2007 | Weinstein |
D564015 | March 11, 2008 | Booty |
D570901 | June 10, 2008 | Weinstein |
D591731 | May 5, 2009 | Lee et al. |
20060218044 | September 28, 2006 | Gal et al. |
Patent History
Patent number: D640734
Type: Grant
Filed: Oct 19, 2009
Date of Patent: Jun 28, 2011
Inventors: Marc Chase Weinstein (Roslyn Harbor, NY), Yuji Fujimura (Tokyo)
Primary Examiner: Garth Rademaker
Application Number: 29/345,606
Type: Grant
Filed: Oct 19, 2009
Date of Patent: Jun 28, 2011
Inventors: Marc Chase Weinstein (Roslyn Harbor, NY), Yuji Fujimura (Tokyo)
Primary Examiner: Garth Rademaker
Application Number: 29/345,606
Classifications
Current U.S. Class:
Housing Or Casing (D18/11)