Key ring tool

Details Key ring tool Key ring tool

2011-08-09

2011-08-09

Seifert, Ralf (Department: 2914)

Design Patent

active

D0642790

CLAIM:
The ornamental design for key ring tool, as shown and described.

REFERENCES:
patent: 5722277 (1998-03-01), Williams
patent: D457303 (2002-05-01), Yuen
patent: D463106 (2002-09-01), Yuen
patent: D463107 (2002-09-01), Yuen
patent: 6681608 (2004-01-01), Hope, III
patent: D489889 (2004-05-01), Zhang
patent: D505782 (2005-06-01), Chen
patent: D522743 (2006-06-01), Lui
patent: D528783 (2006-09-01), Van Mil
patent: D538530 (2007-03-01), Lee
patent: D622562 (2010-08-01), Knapton
patent: D624747 (2010-10-01), McSweyn
“The Key Sergeant” web page. (Believed to have been offered for sale, publicly used, and/or published prior to the filing date of this application.)

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