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Publication numberUSD615138 S1
Publication typeGrant
Application numberUS 29/313,962
Publication dateMay 4, 2010
Filing dateFeb 23, 2009
Priority dateMar 16, 2006
Publication number29313962, 313962, US D615138 S1, US D615138S1, US-S1-D615138, USD615138 S1, USD615138S1
InventorsBetty Jane Briscoe
Original AssigneeBetty Jane Briscoe
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Back strengthening machine
US D615138 S1
Abstract  available in
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  1. The ornamental design for a back strengthening machine, as shown and described.

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.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US20120157271 *Oct 21, 2011Jun 21, 2012Rick BauerAdjustable Dumbbell Support Stand
US20130109552 *Oct 31, 2011May 2, 2013Betty Jane BriscoeBack strenghthening maching
USD667063 *Jun 13, 2011Sep 11, 2012Thompson Deron CPullup exercise attachment for a dip stand
U.S. ClassificationD21/686, D21/662