Patent
   D839451
Priority
Oct 17 2017
Filed
Oct 17 2017
Issued
Jan 29 2019
Expiry
Jan 29 2034
Assg.orig
Entity
unknown
0
15
n/a
The ornamental design for a manhole step, as shown and described.

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.

Chlopecki, Kenneth John

Patent Priority Assignee Title
Patent Priority Assignee Title
4100997, Jun 21 1976 WACHOVIA BANK OF GEORGIA, NATIONAL ASSOCIATION Step construction employing insertable fastener having deformable projections
4610330, Jul 25 1984 Clay and Bailey Manufacturing Co., Inc. Drive-in manhole step construction
4655318, Oct 04 1985 BOWCO INDUSTRIES, INC , A CORP OF OREGON Step assembly
4869342, Oct 31 1988 Clay & Bailey Mfg. Co., Inc. Drive in manhole step
5944140, Aug 20 1998 Miyama Kogyo Kabushiki Kaisha Foothold provided with reflectors
5967256, Mar 19 1999 Miyama Kogyo Kabushiki Kaisha Foothold
6068083, Mar 19 1999 Miyama Kogyo Kabushiki Kaisha Foothold
6125967, Apr 30 1999 Miyama Kogyo Kabushiki Kaisha Foothold
D304376, Sep 29 1987 Lane International Corporation Manhole step
D429002, Aug 05 1999 MIYAMA KOGYO CO , LTD Step for climbing wall surface
D429003, Aug 05 1999 MIYAMA KOGYO CO , LTD Step for climbing wall surface
D435118, Dec 22 1998 MIYAMA KOGYO CO , LTD Step for climbing wall surface
D452742, Apr 15 1999 MIYAMA KOGYO CO , LTD Step for climbing wall surface
D490907, Jul 17 2003 M A INDUSTRIES, INC Two-sided manhole step
D556917, Jul 09 2004 M.A. Industries, Inc. Two sided manhole step
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Oct 09 2017CHLOPECKI, KENNETH JOHNM A INDUSTRIES, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0438840616 pdf
Oct 17 2017M.A. Industries, Inc.(assignment on the face of the patent)
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