T-shaped stair stringer and stair frame

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Description

FIG. 1 is a front view of the T-shaped stair stringer and stair frame;

FIG. 2 is a back view of the T-shaped stair stringer and stair frame;

FIG. 3 is a left-side view of the T-shaped stair stringer and stair frame;

FIG. 4 is a right side view of the T-shaped stair stringer and stair frame;

FIG. 5 is a bottom view of the T-shaped stair stringer and stair frame;

FIG. 6 is a top view of the T-shaped stair stringer and stair frame;

FIG. 7 is a perspective view of the T-shaped stair stringer and stair frame;

FIG. 8 is a perspective view of a second embodiment of the T-shaped stair stringer and stair frame;

FIG. 9 is a perspective view of a third embodiment of the T-shaped stair stringer and stair frame;

FIG. 10 is a perspective view of a fourth embodiment of the T-shaped stair stringer and stair frame;

FIG. 11 is a perspective view of a fifth embodiment of the T-shaped stair stringer and stair frame;

FIG. 12 is a perspective view of a sixth embodiment of the T-shaped stair stringer and stair frame; and,

FIG. 13 is a bottom view of a seventh embodiment of the T-shaped stair stringer and stair frame.

Claims

The ornamental design for a T-shaped stair stringer and stair frame, as shown, and described.

Referenced Cited
U.S. Patent Documents
2021457 November 1935 MacKenzie
2724466 November 1955 Phillips
5806254 September 15, 1998 Bennett
D607580 January 5, 2010 Charette
Patent History
Patent number: D619270
Type: Grant
Filed: Dec 9, 2009
Date of Patent: Jul 6, 2010
Inventor: Pierre Charette (Notre-Dame-du-Mont-Carmel, Quebec)
Primary Examiner: Doris Clark
Attorney: Hoffman Wasson & Gitler
Application Number: 29/347,338
Classifications