Butterfly exerciser


FIG. 1 is a front elevational view of a butterfly exerciser showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D263978 April 20, 1982 Brentham
D289190 April 7, 1987 Brentham
D299844 February 14, 1989 Brentham
D300442 March 28, 1989 Brentham
Other references
  • Marcy Catalog, .COPYRGT.1983, p. 5, Vertical Butterfly Machine, #7050.
Patent History
Patent number: D306050
Type: Grant
Filed: May 11, 1987
Date of Patent: Feb 13, 1990
Inventor: Jerry D. Brentham (Belton, TX)
Primary Examiner: Charles A. Rademaker
Law Firm: Crutsinger & Booth
Application Number: 7/48,138
Current U.S. Class: D21/195