Portion of a dump block

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

FIG. 1 is a right side perspective view of a first embodiment of a portion of a dump block.

FIG. 2 is a front view of the dump block of FIG. 1.

FIG. 3 is a rear view of the dump block of FIG. 1.

FIG. 4 is a left side view of the dump block of FIG. 1.

FIG. 5 is a right side view of the dump block of FIG. 1.

FIG. 6 is a bottom view of the dump block of FIG. 1.

FIG. 7 is a top view of the dump block of FIG. 1.

FIG. 8 is a right side perspective view of a second embodiment of a portion of a dump block.

FIG. 9 is a front view of the dump block of FIG. 8.

FIG. 10 is a rear view of the dump block of FIG. 8.

FIG. 11 is a left side view of the dump block of FIG. 8.

FIG. 12 is a right side view of the dump block of FIG. 8.

FIG. 13 is a bottom view of the dump block of FIG. 8; and,

FIG. 14 is a top view of the dump block of FIG. 8.

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

Claims

I claim the ornamental design for the portion of a dump block, as shown and described.

Referenced Cited
U.S. Patent Documents
934114 September 1909 Weaver
1756910 April 1930 Fuller
3556485 January 1971 Orr
5321902 June 21, 1994 Gregory
5398433 March 21, 1995 Dretzka
5511447 April 30, 1996 Galloway et al.
5636460 June 10, 1997 Dretzka
D393515 April 14, 1998 Pettersson
D407883 April 6, 1999 Okerlund et al.
5970636 October 26, 1999 Briscoe et al.
D427408 June 27, 2000 Daniels et al.
D506124 June 14, 2005 Strickland et al.
D511294 November 8, 2005 Kovacik et al.
D534704 January 2, 2007 Myers et al.
7404545 July 29, 2008 Steiner et al.
D584937 January 20, 2009 Kovacik et al.
D589329 March 31, 2009 Plunk et al.
D596369 July 14, 2009 Walstrom et al.
Other references
  • Columbia Steel Casting Co., Inc. 40″ dragline dump block (picture), Dec. 2006.
Patent History
Patent number: D610771
Type: Grant
Filed: May 11, 2009
Date of Patent: Feb 23, 2010
Assignee: Columbia Steel Casting Co., Inc. (Portland, OR)
Inventor: Stephen P. Doan (Oregon City, OR)
Primary Examiner: Cynthia E Ramirez
Attorney: Klarquist Sparkman, LLP
Application Number: 29/336,878
Classifications
Current U.S. Class: Crane Or Hoist (5) (D34/33); Element Or Attachment (D34/35)