Back strengthening machine
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Description
The single FIGURE is a left side perspective view showing my new design, the oblique shaded lines representing rubber, the right side being a mirror image thereof.
The broken lines represent portions of the structure that form no part of the claim.
Claims
The ornamental design for a back strengthening machine, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D615138
Type: Grant
Filed: Feb 23, 2009
Date of Patent: May 4, 2010
Assignee: (Freeport, NY)
Inventor: Betty Jane Briscoe (Freeport, NY)
Primary Examiner: Robert M Spear
Assistant Examiner: Cynthia Underwood
Application Number: 29/313,962
Type: Grant
Filed: Feb 23, 2009
Date of Patent: May 4, 2010
Assignee: (Freeport, NY)
Inventor: Betty Jane Briscoe (Freeport, NY)
Primary Examiner: Robert M Spear
Assistant Examiner: Cynthia Underwood
Application Number: 29/313,962
Classifications
