Pipe wrench

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Description

FIG. 1 is a side elevation view of a pipe wrench showing our new design;

FIG. 2 is an elevational view of the opposite side thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevation view thereof; and,

FIG. 7 is a perspective view thereof.

Claims

The ornamental design for a pipe wrench, as shown and described.

Referenced Cited
U.S. Patent Documents
1445211 February 1923 Gore
2028406 January 1936 Mead
2559973 July 1951 Kunz
D164505 September 1951 Larson
2742808 April 1956 Haberle
D184451 February 1959 Mullin
2875659 March 1959 Haberle
5251518 October 12, 1993 Woo
Foreign Patent Documents
WO 01/19570 March 2001 WO
Other references
  • Photocopy #1—Undated photocopy of a pipe wrench commercially available prior to 2000.
  • Photocopy #2—Undated photocopy of the opposite side of the wrench in Photocopy #1.
Patent History
Patent number: D474380
Type: Grant
Filed: May 10, 2002
Date of Patent: May 13, 2003
Assignee: Emerson Electric Co. (St. Louis, MO)
Inventors: Glen R. Chartier (Avon Lake, OH), David L. Machovina (Elyria, OH), Chris W. Mandell (Westlake, OH)
Primary Examiner: Raphael Barkai
Attorney, Agent or Law Firm: Fay, Sharpe, Fagan, Minnich & McKee
Application Number: 29/160,544
Classifications
Current U.S. Class: D8/23
International Classification: 0805;