Backpack for concrete tools
Description
Claims
The ornamental design for a backpack for concrete tools, as shown and described.
Referenced Cited
Patent History
Patent number: D553350
Type: Grant
Filed: Mar 10, 2006
Date of Patent: Oct 23, 2007
Inventor: Robert J. Dvorak (Justice, IL)
Primary Examiner: Ian Simmons
Assistant Examiner: Anna J. Burmeister
Attorney: Mathew R. P. Perrone, Jr.
Application Number: 29/255,623
Type: Grant
Filed: Mar 10, 2006
Date of Patent: Oct 23, 2007
Inventor: Robert J. Dvorak (Justice, IL)
Primary Examiner: Ian Simmons
Assistant Examiner: Anna J. Burmeister
Attorney: Mathew R. P. Perrone, Jr.
Application Number: 29/255,623
Classifications
Current U.S. Class:
D3/217