Back strengthener
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This application claims the benefit of U.S. utility patent application Ser. No. 12/080,545, filed Apr. 3, 2008 by the present inventor.
My back strengthening device is characterized by an elevated convex shaped middle section with two adjacent elongated flat surfaced convoluted structures, and one smaller pole centrally positioned covered at each end with shorter but slightly larger convoluted pieces.
The broken lines shown in the drawings represent unclaimed portions of the Device and form no part of the claimed design.
Claims
The ornamental design for a back strengthener, as shown and described.
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Type: Grant
Filed: Feb 11, 2009
Date of Patent: Dec 13, 2011
Assignee: (Queens Village, NY)
Inventor: Betty Jane Briscoe (Freeport, NY)
Primary Examiner: Cathron Brooks
Assistant Examiner: Melanie Levy
Application Number: 29/313,786