Stair tread plate

Details Stair tread plate Stair tread plate

2007-11-13

2009-06-16

Clark, Doris (Department: 2914)

Building units and construction elements

Stair, ladder, scaffold, or similar support

Element or attachment

Design Patent

active

D0594564

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

REFERENCES:
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Handi-Ramp web pages, Non-Slip Surface That Works in Water, Ice and Snow, http:/www.handiramp.com
on—skid—water.htm, 4 pages, dated Feb. 9, 2006.
Handi-Ramp: New York Times Excerpt, http:/www.handiramp.com
ews/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.

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