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Publication numberUSD321389 S
Publication typeGrant
Application numberUS 07/451,354
Publication dateNov 5, 1991
Filing dateDec 15, 1989
Publication number07451354, 451354, US D321389 S, US D321389S, US-S-D321389, USD321389 S, USD321389S
InventorsGary A. Jones
Original AssigneeHammer Corporation
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Leg extension physical exerciser
US D321389 S
Abstract  available in
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  1. The ornamental design for a leg extension physical exerciser, as shown and described.

FIG. 1 is a perspective view of a leg extension physical exerciser embodying my new design.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a side elevational view of one side thereof.

FIG. 4 is a rear elevational view thereof.

FIG. 5 is a side elevational view of the opposite side from FIG. 3 thereof.

FIG. 6 is a top plan view thereof.

FIG. 7 is a bottom plan view thereof.

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US6764429Oct 21, 2002Jul 20, 2004Acinonyx CompanyRun specific training apparatus
US7070543Sep 3, 2002Jul 4, 2006Randy RindfleischExercise machine with leverage arm
US7070544Jan 30, 2003Jul 4, 2006Randy RindfleischIsolation exercise machine with leverage arm
US7086991Jul 19, 2002Aug 8, 2006Michael Edward WilliamsRope climbing simulator
US7662074Jun 20, 2008Feb 16, 2010Nautilus, Inc.Exercise machine having rotatable weight selection index
US7736283Oct 4, 2007Jun 15, 2010Nautilus, Inc.Exercise machine having rotatable weight selection index
US7740568Oct 3, 2005Jun 22, 2010Nautilus, Inc.Exercise machine having rotatable weight selection index
US8016729Jun 15, 2010Sep 13, 2011Nautilus, Inc.Exercise machine having rotatable weight selection index
US8568279Mar 31, 2011Oct 29, 2013Nautilus, Inc.Engagement interface for an exercise machine
US8845498Mar 31, 2011Sep 30, 2014Nautilus, Inc.Lockout mechanism for a weight stack exercise machine
US8876674Mar 31, 2011Nov 4, 2014Nautilus, Inc.Selectable weight stack
U.S. ClassificationD21/676