Back brace
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Description
The broken lines showing protruding back elements and back laces illustrate portions of the back brace which form no part of the claimed design.
Claims
The ornamental design for a back brace, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D654180
Type: Grant
Filed: Dec 3, 2010
Date of Patent: Feb 14, 2012
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventor: Edward L. Weaver, II (Milford, OH)
Primary Examiner: Susan E Krakower
Attorney: Lisa P. Fulton
Application Number: 29/380,402
Type: Grant
Filed: Dec 3, 2010
Date of Patent: Feb 14, 2012
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventor: Edward L. Weaver, II (Milford, OH)
Primary Examiner: Susan E Krakower
Attorney: Lisa P. Fulton
Application Number: 29/380,402
Classifications