Butterfly impact wrench
Latest SP Air Kabushiki Kaisha Patents:
Description
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
Other references
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- 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
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