Manhole step

- M.A. INDUSTRIES, INC.
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Description

FIG. 1 is an isometric view of the manhole step.

FIG. 2 is another isometric view of the manhole step of FIG. 1.

FIG. 3 is a top view of the manhole step of FIG. 1.

FIG. 4 is a right side view of the manhole step of FIG. 1.

FIG. 5 is a bottom view of the manhole step of FIG. 1.

FIG. 6 is a left side view of the manhole step of FIG. 1.

FIG. 7 is a front view of the manhole step of FIG. 1; and,

FIG. 8 is a rear view of the manhole step of FIG. 1.

The broken lines in the drawings denote environmental structure that form no part of the claimed design.

Claims

The ornamental design for a manhole step, as shown and described.

Referenced Cited
U.S. Patent Documents
4100997 July 18, 1978 Peacock
4610330 September 9, 1986 Borst
4655318 April 7, 1987 Bowen
4869342 September 26, 1989 Borst
D304376 October 31, 1989 Robertson
5944140 August 31, 1999 Takahashi
5967256 October 19, 1999 Takahashi
6068083 May 30, 2000 Takahashi
D429002 August 1, 2000 Takahashi
D429003 August 1, 2000 Takahashi
6125967 October 3, 2000 Takahashi
D435118 December 12, 2000 Takahashi
D452742 January 1, 2002 Takahashi
D490907 June 1, 2004 Peacock et al.
D556917 December 4, 2007 Peacock
Patent History
Patent number: D839451
Type: Grant
Filed: Oct 17, 2017
Date of Patent: Jan 29, 2019
Assignee: M.A. INDUSTRIES, INC. (Peachtree City, GA)
Inventor: Kenneth John Chlopecki (Mechanicville, NY)
Primary Examiner: Cynthia Ramirez
Assistant Examiner: Gino Colan
Application Number: 29/622,421
Classifications