Dart for cleaning tubes

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Description

FIG. 1 is a front view of a dart for cleaning tubes showing our new design in accordance with one embodiment of the present invention;

FIG. 2 is a rear view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is an upper left bottom perspective view thereof.

The broken line shown in the drawings are included for the purpose of illustrating portions of the dart that form no part of the claimed design.

Claims

The ornamental design for a dart for cleaning tubes, as shown and described.

Referenced Cited
U.S. Patent Documents
172996 February 1876 Gregg
614191 November 1898 Weills
2966688 January 1961 Daubert
3939519 February 24, 1976 Muirhead
4069535 January 24, 1978 Cato
4178649 December 18, 1979 Kouse
4416703 November 22, 1983 Scott
4937907 July 3, 1990 Antal
4962607 October 16, 1990 Baldwin
D315621 March 19, 1991 Laymon
5528790 June 25, 1996 Curran
D391705 March 3, 1998 Good
D393115 March 31, 1998 Bell
5960505 October 5, 1999 Sanghoon
6085376 July 11, 2000 Antal
D454003 March 5, 2002 Saxon
D491325 June 8, 2004 Hawkins
7454812 November 25, 2008 Lyle
D601688 October 6, 2009 Abe
8051523 November 8, 2011 Franzino
D651773 January 3, 2012 Antal
20100294316 November 25, 2010 Antal
Other references
  • Industrial Tube Cleaning, Inc. Tube Cleaners, Products, Cleaners; http://www.itcleaning.com/cleaners.html.
  • Luxx Ultra-Tech, Inc. Spongeballs; http://www.spongeballs.com/.
  • Luxx Ultra-Tech, Inc. Songeball Types; http://www.spongeballs.com/types.php.
Patent History
Patent number: D807596
Type: Grant
Filed: Oct 30, 2014
Date of Patent: Jan 9, 2018
Assignee: National Heat Exchange Cleaning Corporation (Youngstown, OH)
Inventors: Brian D. Antal (Fombell, PA), Carroll E. Joseph (Leetonia, OH)
Primary Examiner: Michael A. Pratt
Assistant Examiner: Michelle E Wilson
Application Number: 29/507,754
Classifications
Current U.S. Class: Sewer Or Pipe Cleaner (D32/14)