Impact wrench

Izumisawa January 30, 2

Patent Grant D436818

U.S. patent number D436,818 [Application Number D/124,033] was granted by the patent office on 2001-01-30 for impact wrench. This patent grant is currently assigned to S.P. Air Kabusiki Kaisha. Invention is credited to Osamu Izumisawa.


United States Patent D436,818
Izumisawa January 30, 2001

Impact wrench

Claims

The ornamental design for an impact wrench, as shown and described.
Inventors: Izumisawa; Osamu (Tokyo, JP)
Assignee: S.P. Air Kabusiki Kaisha (Nagano Pref., JP)
Appl. No.: D/124,033
Filed: May 26, 2000

Related U.S. Patent Documents

Application Number Filing Date Patent Number Issue Date
117546 Jan 26, 2000

Current U.S. Class: D8/68
Current International Class: 0805
Field of Search: ;D8/68 ;81/54,57.13,57.14,177.1 ;173/169,170

References Cited [Referenced By]

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Other References

Ingersoll-Rand publication entitled, "Ingersoll-Rand Automotive Power Tools Catalog," 1996, pp. 1, 8-9, 11-17, 23 and 41. .
Mermaid Distributors publication entitled, "Shinano Pneumatic Ind. Inc.," published at least as early as Jan. 26, 2000. .
Coventrys publication entitled, "Conventrys SP Air," Sep. 1994. .
SP Air Corporation publication entitled, "1/2 [inch] Square Drive Impact Wrenches," published at least as early as Jan. 26, 2000. .
Shinano Pneumatic Industries Inc. publication entitled, "SP Air," published at least as early as Jan. 26, 2000. .
Shinano Pneumatic Industries Inc. publication entitled, "SP Pneumatic Tools," published at least as early as Jan. 26, 2000, pp. 1-2, 7-12 and 15. .
Burson Auto Parts publication entitled, "Burson Auto Parts SP Air," 1994. .
Viking Air Tools untitled publication, Aug. 1990..

Primary Examiner: Davis; Antoine Duval
Attorney, Agent or Firm: Senniger, Powers, Leavitt & Roedel

Description



FIG. 1 is a right side elevational view of an impact wrench of the present invention, the left side elevational view being a mirror image thereof;

FIG. 2 is a front elevational view of the wrench;

FIG. 3 is a rear elevational view of the wrench;

FIG. 4 is a top plan view of the wrench; and,

FIG. 5 is a bottom plan view of the wrench.

* * * * *


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