Floor warning sign
Description
The broken line showing of a battery cover in
Claims
The ornamental design for a floor warning sign, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D581304
Type: Grant
Filed: Jul 2, 2007
Date of Patent: Nov 25, 2008
Inventor: Maurice L. Phillips (Minneapolis, MN)
Primary Examiner: Robert M. Spear
Assistant Examiner: George D Kirschbaum
Application Number: 29/288,982
Type: Grant
Filed: Jul 2, 2007
Date of Patent: Nov 25, 2008
Inventor: Maurice L. Phillips (Minneapolis, MN)
Primary Examiner: Robert M. Spear
Assistant Examiner: George D Kirschbaum
Application Number: 29/288,982
Classifications
Current U.S. Class:
D10/109;
D10/113