USD439938SExpiredUtility

Ab crunch back extension exercise machine

63
Priority: Nov 5, 1999Filed: Nov 5, 1999Granted: Apr 3, 2001
Est. expiryNov 5, 2019(expired)· nominal 20-yr term from priority
Inventors:L. Ron BatcaRoger Batca
63
PatentIndex Score
12
Cited by
11
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an ab crunch back extension exercise machine, as shown and described.

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