Impact wrench

- Snap-on Tools Corporation
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Description

FIG. 1 is a top plan view of an impact wrench showing my new design;

FIG. 2 is a side elevational view taken from the bottom of FIG. 1, the side opposite being a mirror image;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D223134 March 1972 Buryea
D256980 September 23, 1980 Adams et al.
D261222 October 13, 1981 Buryea
3696693 October 1972 Bosten
3912022 October 1975 Smith
4064771 December 27, 1977 Krieg
Other references
  • Photographs of predecessor tool of Snap-on Tools Corporation, Model No. AT-325. Photographs of predecessor tool of Chicago Pneumatic, Model Nos. CP-721, CP-725S, CP-732, CP-734, CP-745 and CP-772.
Patent History
Patent number: D288769
Type: Grant
Filed: Dec 24, 1984
Date of Patent: Mar 17, 1987
Assignee: Snap-on Tools Corporation (Kenosha, WI)
Inventor: Donald W. Doman (Janesville, WI)
Primary Examiner: B. J. Bullock
Law Firm: Emrich & Dithmar
Application Number: 6/685,858
Classifications
Current U.S. Class: D 8/68