Ab crunch back extension exercise machine

Games – toys – and sports goods – Exercise equipment

Design Patent

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Details

CD21S675000

Design Patent

active

D0439938

CLAIM:
The ornamental design for an ab crunch back extension exercise machine, as shown and described.

REFERENCES:
patent: D. 349140 (1994-07-01), Rockwell
patent: D. 379483 (1997-05-01), England et al.
patent: 5147259 (1992-09-01), Hutchins
patent: 5554084 (1996-09-01), Jones
patent: 5938575 (1999-08-01), Stearns
Icarian publication, Abench, 1998.*
Pamphlet entitled “M4 The Ultimate in Fitness Training” (4 pages).
Pamphlet entitled “Personal Trainer 200” (2 pages).
Pamphlet entitled “Personal Trainer 2100” (2 pages).
Pamphlet entitled “Ultra Trainer 3000” (2 pages).
Pamphlet entitled “Ultra Trainer 3100” (2 pages).

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