Portable air impact wrench

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Description

FIG. 1 is a front elevation view showing my new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view from the upper front thereof; and,

FIG. 8 is a perspective view from the lower rear thereof.

Claims

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

Referenced Cited
U.S. Patent Documents
D339726 September 28, 1993 Bruno et al.
D382184 August 12, 1997 Sung
D384562 October 7, 1997 Sung
D403564 January 5, 1999 Izumisawa
D410181 May 25, 1999 Sung
D434297 November 28, 2000 Iritani et al.
D441628 May 8, 2001 Bass et al.
D447033 August 28, 2001 Izumisawa
Other references
  • Torque controlled impact wrenches, Desoutter Portable pneumatic tools, catalogue 412, p. 11, effective Feb. 1, 1972.*
  • Impact wrenches, #CP9533-RS, Light assembly air tools, Chicago Pneumatic, p. 23.
Patent History
Patent number: D461110
Type: Grant
Filed: Aug 28, 2001
Date of Patent: Aug 6, 2002
Assignee: Kabushiki Kaisha Shinano Seisakusho (Tokyo)
Inventor: Nobuyuki Izumisawa (Tokyo)
Primary Examiner: Doris V. Coles
Assistant Examiner: T. Chase Nelson
Attorney, Agent or Law Firm: Hogan & Hartson, L.L.P.
Application Number: 29/147,411
Classifications
Current U.S. Class: D8/68
International Classification: 0805;