Two sided manhole step
Peacock , et al. December 4, 2
U.S. patent number D556,917 [Application Number D/285,595] was granted by the patent office on 2007-12-04 for two sided manhole step. This patent grant is currently assigned to M.A. Industries, Inc.. Invention is credited to Charles McInvale, Bobbie Don Peacock.
| United States Patent | D556,917 |
| Peacock , et al. | December 4, 2007 |
Two sided manhole step
Claims
CLAIM I claim the ornamental design for a two sided manhole step, as shown and described.
| Inventors: | Peacock; Bobbie Don (Peachtree City, GA), McInvale; Charles (Newnan, GA) |
|---|---|
| Assignee: | M.A. Industries, Inc.
(Peachtree City, GA) |
| Appl. No.: | D/285,595 |
| Filed: | April 3, 2007 |
Related U.S. Patent Documents
| Application Number | Filing Date | Patent Number | Issue Date | ||
|---|---|---|---|---|---|
| 10887754 | Jul 9, 2004 | ||||
| Current U.S. Class: | D25/69 |
| Current International Class: | 2504 |
| Field of Search: | ;D25/36,69 ;182/90,92 |
References Cited [Referenced By]
U.S. Patent Documents
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| 2650032 | August 1953 | Godfrey |
| 3867864 | February 1975 | Knohl |
| 4100997 | July 1978 | Peacock |
| 4610330 | September 1986 | Borst |
| 4655318 | April 1987 | Bowen |
| 4778032 | October 1988 | Takahashi |
| 4842784 | June 1989 | Takahashi |
| 4869342 | September 1989 | Borst |
| D304376 | October 1989 | Robertson |
| 5507600 | April 1996 | Takahashi |
| 5752579 | May 1998 | Takahashi |
| 5772358 | June 1998 | Takahashi |
| 5944140 | August 1999 | Takahashi |
| 5967256 | October 1999 | Takahashi |
| 6029772 | February 2000 | Takahashi |
| 6068083 | May 2000 | Takahashi |
| D429002 | August 2000 | Takahashi |
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| 6125967 | October 2000 | Takahashi |
| D435118 | December 2000 | Takahashi |
| 6302618 | October 2001 | Takahashi |
| D452742 | January 2002 | Takahashi |
| D462453 | September 2002 | Johansson |
| 6589037 | July 2003 | Takahashi |
| D490907 | June 2004 | Peacock et al. |
Other References
|
Occupational Safety and Health Administration, 20 C.F.R. Section 1910.27(b)(1)(v). cited by other . M.A. Industries, Inc. Manhole Step Brochure, Aug. 1991, illustrating an actual size photo of M.A. Step model PS-1-PF. cited by other. |
Primary Examiner: Clark; Doris
Attorney, Agent or Firm: Kilpatrick Stockton LLP Bertelson; Michael A.
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.
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