USD615138SExpiredUtility

Back strengthening machine

64
Assignee: BRISCOE BETTY JANEPriority: Mar 16, 2006Filed: Feb 23, 2009Granted: May 4, 2010
Est. expiryMar 16, 2026(expired)· nominal 20-yr term from priority
Inventors:Betty Jane Briscoe
64
PatentIndex Score
16
Cited by
15
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a back strengthening machine, as shown and described.

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