Building units and construction elements – Stair – ladder – scaffold – or similar support – Element or attachment
Design Patent
2007-12-04
2007-12-04
Clark, Doris (Department: 2914)
Building units and construction elements
Stair, ladder, scaffold, or similar support
Element or attachment
Design Patent
active
29285595
CLAIM:
I claim the ornamental design for a two sided manhole step, as shown and described.
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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.
McInvale Charles
Peacock Bobbie Don
Bertelson Michael A.
Clark Doris
Kilpatrick & Stockton LLP
M.A. Industries, Inc.
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