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United States Patent	D412,141
Dickie ,   et al.	July 20, 1999

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The ornamental design for an extruded base frame with adjustable track system for a wheelchair, as shown and described.

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Inventors:	Dickie; Paul C. (Clovis, CA), Trippensee; Darin J. (Boulder, CO)
Assignee:	Sunrise Medical HHG Inc. (Longmont, CO)
Appl. No.:	D/096,435
Filed:	November 13, 1998

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Current U.S. Class:	D12/133
Current International Class:	1212
Field of Search:	D12/128-133 280/250.1,642,647,304.1 297/DIG.4

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References Cited

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U.S. Patent Documents

D357442	April 1995	Okamoto
5064211	November 1991	Huttenhuis et al.
5382036	January 1995	Counts et al.
5743545	April 1998	Kunze et al.

Primary Examiner: Chin; Kay H.
Attorney, Agent or Firm: MacMillan, Sobanski & Todd, LLC

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Description

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FIG. 1 is a perspective view of an extruded base frame with adjustable track system for a wheelchair showing our new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a left side view of a second embodiment of the extruded base frame;

FIG. 4 is a rear elevational view of the embodiment shown in FIGS. 1 and 2;

FIG. 5 is a rear elevational view of the embodiment shown in FIG. 3;

FIG. 6 is a front elevational view of the embodiments shown in FIGS. 1 through 5;

FIG. 7 is a right side view of the embodiments shown in FIGS. 1 through 5; and

FIG. 8 is a top plan view of the embodiments shown in FIGS. 1 through 5; and,

FIG. 9 is a bottom plan view of the embodiments shown in FIGS. 1 through 5.

The broken line in FIG. 1 showing the frame and strut is for illustrative purposes only and forms no part of the claimed design.

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