Manhole step

Information

  • Patent Grant
  • D839451
  • Patent Number
    D839,451
  • Date Filed
    Tuesday, October 17, 2017
    6 years ago
  • Date Issued
    Tuesday, January 29, 2019
    5 years ago
  • Inventors
    • Chlopecki; Kenneth John (Mechanicville, NY, US)
  • Original Assignees
  • Examiners
    • Ramirez; Cynthia
    • Colan; Gino
    Agents
    • Kilpatrick Townsend & Stockton LLP
  • US Classifications
    Field of Search
    • US
    • D25 62- 69
    • 182 090000
    • 182 092000
    • CPC
    • E06C9/04
    • E06C7/081
    • B28B21/56
    • B28B21/566
    • E04G21/185
  • International Classifications
    • 2504
    • Term of Grant
      15Years
Abstract
Description


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.


Claims
  • The ornamental design for a manhole step, as shown and described.
US Referenced Citations (15)
Number Name Date Kind
4100997 Peacock Jul 1978 A
4610330 Borst Sep 1986 A
4655318 Bowen Apr 1987 A
4869342 Borst Sep 1989 A
D304376 Robertson Oct 1989 S
5944140 Takahashi Aug 1999 A
5967256 Takahashi Oct 1999 A
6068083 Takahashi May 2000 A
D429002 Takahashi Aug 2000 S
D429003 Takahashi Aug 2000 S
6125967 Takahashi Oct 2000 A
D435118 Takahashi Dec 2000 S
D452742 Takahashi Jan 2002 S
D490907 Peacock et al. Jun 2004 S
D556917 Peacock Dec 2007 S