Stair tread plate

Description

FIG. 1 is a perspective view of a stair tread plate.

FIG. 2 is a top plan view thereof.

FIG. 3 is a bottom plan view thereof.

FIG. 4 is a front elevation view thereof, the rear being identical thereto.

FIG. 5 is a right side elevation view thereof, the left side being identical thereto.

FIG. 6 is a perspective view of a second embodiment of a stair tread plate.

FIG. 7 is a top plan view thereof.

FIG. 8 is a bottom plan view thereof.

FIG. 9 is a front elevation view thereof, the rear being identical thereto.

FIG. 10 is a right side elevation view thereof; the left side being identical thereto.

FIG. 11 is a perspective view of a third embodiment of a stair tread plate.

FIG. 12 is a top plan view thereof.

FIG. 13 is a bottom plan view thereof.

FIG. 14 is a front elevation view thereof, the rear being identical thereto; and,

FIG. 15 is a right side elevation view thereof, the left side being identical thereto.

The claimed design is broken in the center to indicate indefinite length.

The broken lines are for illustrative purposes only and form no part of the claimed design.

Claims

CLAIM The ornamental design for a stair tread plate, as shown and described.

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Inventors:	Disch; Thomas R. (Lake Bluff, IL), Siskovic; Christopher (Libertyville, IL)
Assignee:	Handi Products, Inc. (Libertyville, IL)
Appl. No.:	D/293,272
Filed:	November 13, 2007

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Current U.S. Class:	D25/69
Current International Class:	2504
Field of Search:	;D25/69 ;52/174,177,179,188,190

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References Cited [Referenced By]

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U.S. Patent Documents

2278554	April 1942	Morton
2326963	August 1943	Morton
2421171	May 1947	Trautvetter et al.
3699926	October 1972	Stockl
3788118	January 1974	Joseph
4188814	February 1980	Dodge et al.
4343119	August 1982	Bahnfleth
4715743	December 1987	Schmanski
4749191	June 1988	Gipson et al.
5007275	April 1991	Voss
5735155	April 1998	Morton et al.
D406363	March 1999	Molnar
6101859	August 2000	Shieh
D434158	November 2000	Armstrong et al.
D437427	February 2001	Shaffer
D479338	September 2003	Hennessy et al.
6722177	April 2004	Walsh
7021109	April 2006	Ohno et al.
7162839	January 2007	Ohno et al.
7188506	March 2007	Bullen

Other References

Handi-Ramp web pages, Non-Slip Surface That Works in Water, Ice and Snow, http:/www.handiramp.com/non.sub.--skid.sub.--water.htm, 4 pages, dated Feb. 9, 2006. cited by other . Handi-Ramp: New York Times Excerpt, http:/www.handiramp.com/news/NYTExcerpt.htm, 3 pages, dated Dec. 22, 2005. cited by other . Direct Metals web pages, 2 pages, http:/www.directmetals.com, date unknown. cited by other . Amico Grating web pages, Safety-Tread Flooring, 7 pages,, http://www.amico-grating.com, date un-known. cited by other . McNichols web pages, Perforated Round Display Panel, 3 pages, http://www.mcnichols.com, date un-known. cited by other.

Primary Examiner: Clark; Doris
Attorney, Agent or Firm: Ryan Kromholz & Manion, S.C.