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Back strengthening machine
D615138 Back strengthening machine
Patent Drawings:

Inventor: Briscoe
Date Issued: May 4, 2010
Application: D/313,962
Filed: February 23, 2009
Inventors: Briscoe; Betty Jane (Freeport, NY)
Assignee: Briscoe; Betty Jane (Freeport, NY)
Primary Examiner: Spear; Robert M
Assistant Examiner: Underwood; Cynthia
Attorney Or Agent:
U.S. Class: D21/686; D21/662
Field Of Search: D21/687; D21/686; D21/662; D21/694; D21/692; D21/797; D21/689; D21/698; D21/788; 482/124; 482/125; 482/129; 482/142; 482/137; 482/96; 482/97; 482/93; 248/121; 248/125.1; 297/461
International Class: 2102
U.S Patent Documents:
Foreign Patent Documents:
Other References:

Claim: CLAIM The ornamental design for a back strengthening machine, as shown and described.
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.

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