Two sided manhole step

- M.A. Industries, Inc.
Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 shows a perspective view of a two sided manhole step.

FIG. 2 shows a top view of the two sided manhole step shown in FIG. 1, the bottom view being a mirror image of the top view.

FIG. 3 shows a right side elevation view of the two sided manhole step shown in FIG. 1, the left side elevation view being a mirror image of the right side elevation view.

FIG. 4 shows a front view of the two sided manhole step shown in FIG. 1; and,

FIG. 5 shows a rear view of the two sided manhole step shown in FIG. 1.

Portions or features of the two sided manhole step shown in broken lines in the drawings form no part of the claimed design.

Claims

I claim the ornamental design for a two sided manhole step, as shown and described.

Referenced Cited
U.S. Patent Documents
2064803 December 1936 Grove
2650032 August 1953 Godfrey
3867864 February 1975 Knohl
4100997 July 18, 1978 Peacock
4610330 September 9, 1986 Borst
4655318 April 7, 1987 Bowen
4778032 October 18, 1988 Takahashi
4842784 June 27, 1989 Takahashi
4869342 September 26, 1989 Borst
D304376 October 31, 1989 Robertson
5507600 April 16, 1996 Takahashi
5752579 May 19, 1998 Takahashi
5772358 June 30, 1998 Takahashi
5944140 August 31, 1999 Takahashi
5967256 October 19, 1999 Takahashi
6029772 February 29, 2000 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
6302618 October 16, 2001 Takahashi
D452742 January 1, 2002 Takahashi
D462453 September 3, 2002 Johansson
6589037 July 8, 2003 Takahashi
D490907 June 1, 2004 Peacock et al.
Other references
  • Occupational Safety and Health Administration, 20 C.F.R. Section 1910.27(b)(1)(v).
  • M.A. Industries, Inc. Manhole Step Brochure, Aug. 1991, illustrating an actual size photo of M.A. Step model PS-1-PF.
Patent History
Patent number: D556917
Type: Grant
Filed: Apr 3, 2007
Date of Patent: Dec 4, 2007
Assignee: M.A. Industries, Inc. (Peachtree City, GA)
Inventors: Bobbie Don Peacock (Peachtree City, GA), Charles McInvale (Newnan, GA)
Primary Examiner: Doris Clark
Attorney: Kilpatrick Stockton LLP
Application Number: 29/285,595
Classifications