Step

- Caterpillar Inc.
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Description

FIG. 1 is a side perspective view of a step according to my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a top perspective view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a back view thereof.

Footstep for attachment to a machine, such as a track type tractor, to facilitate operator access to the operator cab of the machine.

Claims

The ornamental design for a step, as shown and described.

Referenced Cited
U.S. Patent Documents
1415699 May 1922 Porter
3171671 March 1965 Cornett
3422923 January 1969 Lund
D225160 November 1972 Thomas
D229045 November 1973 Woodall
3915475 October 1975 Casella et al.
4569533 February 11, 1986 Gronert et al.
D290833 July 14, 1987 Walters
D296321 June 21, 1988 Hayes
D306278 February 27, 1990 Hafvenstein
D313388 January 1, 1991 Dale
D340904 November 2, 1993 Bevier
D343692 January 25, 1994 Rainio
5312150 May 17, 1994 Quam
D381948 August 5, 1997 Schult
D412754 August 10, 1999 Harden
D445076 July 17, 2001 Weinerman
D469449 January 28, 2003 Andrews
D573929 July 29, 2008 Black
7416232 August 26, 2008 Tier et al.
D607395 January 5, 2010 Beigel et al.
20020003340 January 10, 2002 Hallquist
20040178602 September 16, 2004 King et al.
Patent History
Patent number: D649563
Type: Grant
Filed: Oct 13, 2010
Date of Patent: Nov 29, 2011
Assignee: Caterpillar Inc. (Peoria, IL)
Inventor: Kannan Doraivelmanimoz (Chennai)
Primary Examiner: Mark Goodwin
Attorney: Liell & McNeil
Application Number: 29/372,085