Ankle exerciser or similar article

- DM Systems, Inc.
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Description

FIG. 1 is a front elevational, perspective view of an ankle exerciser or similar article showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof, an opposite side view being a mirror image thereof;

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is an end elevational view thereof, an opposite end view being a mirror image thereof.

Referenced Cited
U.S. Patent Documents
D267200 December 7, 1982 Milding
D274828 July 24, 1984 Evans
1531670 March 1925 Levy
1706654 March 1929 Christesen
2224103 December 1940 Nilson
2760774 August 1956 Perez
3477426 November 1969 Wincheski
3819177 June 1974 Spiro
4245840 January 20, 1981 Van Housen
4273328 June 16, 1981 Ozbey et al.
Other references
  • Sporting Goods Dealer, 12-1974, p. 102, "Ex-R-Loop".
Patent History
Patent number: D311232
Type: Grant
Filed: Dec 1, 1986
Date of Patent: Oct 9, 1990
Assignee: DM Systems, Inc. (Evanston, IL)
Inventors: Denis B. Drennan (Evanston, IL), Donald J. Maylahn (Skokie, IL)
Primary Examiner: Charles A. Rademaker
Law Firm: Mason, Kolehmainen, Rathburn & Wyss
Application Number: 6/935,609
Classifications
Current U.S. Class: D21/191