Stair tread plate

- Handi Products, Inc.

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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

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

Referenced Cited
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 19, 1980 Dodge et al.
4343119 August 10, 1982 Bahnfleth
4715743 December 29, 1987 Schmanski
4749191 June 7, 1988 Gipson et al.
5007275 April 16, 1991 Voss
5735155 April 7, 1998 Morton et al.
D406363 March 2, 1999 Molnar
6101859 August 15, 2000 Shieh
D434158 November 21, 2000 Armstrong et al.
D437427 February 6, 2001 Shaffer
D479338 September 2, 2003 Hennessy et al.
6722177 April 20, 2004 Walsh
7021109 April 4, 2006 Ohno et al.
7162839 January 16, 2007 Ohno et al.
7188506 March 13, 2007 Bullen
Other references
  • Handi-Ramp web pages, Non-Slip Surface That Works in Water, Ice and Snow, http:/www.handiramp.com/non—skid—water.htm, 4 pages, dated Feb. 9, 2006.
  • Handi-Ramp: New York Times Excerpt, http:/www.handiramp.com/news/NYTExcerpt.htm, 3 pages, dated Dec. 22, 2005.
  • Direct Metals web pages, 2 pages, http:/www.directmetals.com, date unknown.
  • Amico Grating web pages, Safety-Tread Flooring, 7 pages,, http://www.amico-grating.com, date un-known.
  • McNichols web pages, Perforated Round Display Panel, 3 pages, http://www.mcnichols.com, date un-known.
Patent History
Patent number: D594564
Type: Grant
Filed: Nov 13, 2007
Date of Patent: Jun 16, 2009
Assignee: Handi Products, Inc. (Libertyville, IL)
Inventors: Thomas R. Disch (Lake Bluff, IL), Christopher Siskovic (Libertyville, IL)
Primary Examiner: Doris Clark
Attorney: Ryan Kromholz & Manion, S.C.
Application Number: 29/293,272
Classifications
Current U.S. Class: Stair Tread, Step Or Ladder Rung (D25/69)