Counterweight system

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view of a counterweight system showing our new design.

FIG. 2 is another perspective view thereof.

FIG. 3 is a front view thereof; and,

FIG. 4 is a bottom view thereof.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design.

The portions of the counterweight box shown in broken lines having unequal length segments illustrate boundaries of the claimed design and form no part of the claimed design.

Claims

We claim the ornamental design for a counterweight system, as shown and described.

Referenced Cited
U.S. Patent Documents
2701728 February 1955 Miller
2925149 February 1960 Hughson
3490787 January 1970 Latterman et al.
4232883 November 11, 1980 Bourgeous et al.
5141195 August 25, 1992 Toda et al.
D393268 April 7, 1998 Tachinou et al.
6047791 April 11, 2000 Hoebelheinrich
6296436 October 2, 2001 Ramun
D455763 April 16, 2002 Brandenburg et al.
6481748 November 19, 2002 Okuda et al.
6880854 April 19, 2005 Powell
7036251 May 2, 2006 Kojima et al.
D559279 January 8, 2008 Sakitani et al.
7354066 April 8, 2008 Yamamoto
D579465 October 28, 2008 Ochi et al.
D582947 December 16, 2008 Ueta et al.
7467722 December 23, 2008 Ramun
D587285 February 24, 2009 Murakami et al.
8162160 April 24, 2012 Zollondz et al.
D681068 April 30, 2013 Larson et al.
20050012314 January 20, 2005 Kubo et al.
20100224583 September 9, 2010 Mentink et al.
20110031202 February 10, 2011 Pech et al.
Other references
  • Lift Systems, Inc., 33 Ton Mobilift, equipment brochure (2009) 8 pages, East Moline, USA.
Patent History
Patent number: D709100
Type: Grant
Filed: Apr 29, 2013
Date of Patent: Jul 15, 2014
Assignee: Harnischfeger Technologies, Inc. (Wilmington, DE)
Inventors: James Hutsick (Racine, WI), Christopher Larson (Waukesha, WI), Daniel Schlegel (Germantown, WI)
Primary Examiner: Mark Goodwin
Application Number: 29/453,400
Classifications
Current U.S. Class: Element Or Attachment (4) (D15/28)