Pipe wrench
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
Foreign Patent Documents
Other references
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 |
WO 01/19570 | March 2001 | WO |
- 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
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;
International Classification: 0805;