Butterfly impact wrench

- SP Air Kabushiki Kaisha
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Description

FIG. 1 is a perspective view of a butterfly impact wrench incorporating my design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevational view thereof; and,

FIG. 7 is a rear elevational view thereof.

The phantom lines shown in the drawings indicate environmental structure which form no part of the claimed design.

Claims

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

Referenced Cited
U.S. Patent Documents
3054312 September 1962 Zengerer
3366187 January 1968 Tersch
4191264 March 4, 1980 Antipov et al.
4313505 February 2, 1982 Silvern
D269847 July 26, 1983 Izumisawa
4811797 March 14, 1989 Antipov et al.
4844176 July 4, 1989 Podsobinski
4846287 July 11, 1989 Ericsson
D320540 October 8, 1991 Staubitz et al.
D332733 January 26, 1993 Staubitz et al.
D347372 May 31, 1994 Ghode et al.
D349027 July 26, 1994 Izumisawa
D408243 April 20, 1999 Izumisawa
D432379 October 24, 2000 Sun
D440848 April 24, 2001 Izumisawa
D449212 October 16, 2001 Price et al.
D456683 May 7, 2002 Chen
D465981 November 26, 2002 Bass et al.
D468605 January 14, 2003 Morgan
6644419 November 11, 2003 Chen
D484016 December 23, 2003 Baker
D484379 December 30, 2003 Chen
D484380 December 30, 2003 Chen
6751952 June 22, 2004 Chen
6932165 August 23, 2005 Sun et al.
D525498 July 25, 2006 Chen
D525500 July 25, 2006 Chen
20030047333 March 13, 2003 Izumisawa
20040118177 June 24, 2004 Hsieh
Other references
  • Snap-On Tool Catalog, dated Nov. 1, 1991, p. 188 Drive Impact Wrenche #IM 32.
Patent History
Patent number: D557097
Type: Grant
Filed: Aug 8, 2005
Date of Patent: Dec 11, 2007
Assignee: SP Air Kabushiki Kaisha (Tokyo)
Inventor: Tomokazu Izumisawa (Tokyo)
Primary Examiner: Cathron C. Brooks
Assistant Examiner: Austin Murphy
Attorney: Senniger Powers
Application Number: 29/235,871
Classifications
Current U.S. Class: D8/61