Curved ski type exercise apparatus
United States Patent D397745

Wu, Tai Fu (No. 56, 40 Lane, Ta Wan Road, Yung Kang, Hsiang Tainan, TW)
Application Number:
Publication Date:
Filing Date:
Primary Class:
Field of Search:
D21/191, D21/192, D21/194, D21/195, D21/193, 482/51, 482/52, 482/53, 482/54, 482/70, 482/71
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US Patent References:
5575740Striding exerciser with upwardly curved tracksNovember, 1996Piaget et al.482/70
D375767Ski exercise machineNovember, 1996Camfield et al.D21/191
5407409Exerciser with friction-type resistance deviceApril, 1995Tang482/70
D345593Aerobic ski machineMarch, 1994Gerschefske et al.D21/191
D340095Cross-country ski simulator exerciserOctober, 1993FriedebachD21/195
5230677Magnetic adjusting device of a ski simulatorJuly, 1993Chi482/70
D315764Cross-country ski exerciserMarch, 1991FriedebachD21/191
D303131Skiing exercise machineAugust, 1989LoD21/192
4618139Exercise machineOctober, 1986Haaheim482/70
4402506Body-exercise deviceSeptember, 1983Jones
0219439N/ASeptember, 1879Blend

Primary Examiner:
Hyder, Philip S.
Attorney, Agent or Firm:
Oppenheimer, Poms Smith
1. The ornamental design for a curved ski type exercise apparatus, as shownand described.


FIG. 1 is a front, side perspective view of a curved ski type exercise apparatus, showing my new design;

FIG. 2 is a left side view, the right side being a mirror image thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.