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The ornamental design for a two-sided manhole step, as shown and described.
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FIG. 1 is a perspective view of the two-sided manhole step of this invention.
FIG. 2 is a top plan view of the two-sided manhole step shown in FIG. 1. The bottom plan view of the two-sided manhole step is identical to the top plan view.
FIG. 3 is a right side view of the two-sided manhole step shown in FIG. 1. The left side view of the two-sided manhole step is identical to the right side view.
FIG. 4 is a front view of the two-sided manhole step shown in FIG. 1; and,
FIG. 5 is a rear view of the two-sided manhole step shown in FIG. 1.
Peacock, Bobbie Don, McInvale, Charles
| Patent | Priority | Assignee | Title |
| D556917, | Jul 09 2004 | M.A. Industries, Inc. | Two sided manhole step |
| D631980, | May 28 2010 | Climbing step | |
| D631981, | May 28 2010 | Climbing step | |
| D839451, | Oct 17 2017 | M.A. Industries, Inc. | Manhole step |
| Patent | Priority | Assignee | Title |
| D304376, | Sep 29 1987 | Lane International Corporation | Manhole step |
| D452742, | Apr 15 1999 | MIYAMA KOGYO CO , LTD | Step for climbing wall surface |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jul 17 2003 | M.A. Industries, Inc. | (assignment on the face of the patent) | / | |||
| Aug 13 2003 | PEACOCK, BOBBIE DON | M A INDUSTRIES, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 014674 | /0701 | |
| Aug 16 2003 | MCINVALE, CHARLES | M A INDUSTRIES, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 014674 | /0701 |
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