Patent
   D248820
Priority
Feb 17 1977
Filed
Feb 17 1977
Issued
Aug 08 1978
Expiry
Aug 08 1992
Assg.orig
Entity
unknown
5
2
n/a
The ornamental design for an impact wrench, as shown and described.

FIG. 1 is a perspective left and top view of an impact wrench embodying the design of our invention; and

FIG. 2 is a perspective right and bottom side view of the same.

Roth, Robert D., Schaedler, Raymond J.

Patent Priority Assignee Title
6491111, Jul 17 2000 INGERSOLL-RAND INDUSTRIAL U S , INC Rotary impact tool having a twin hammer mechanism
D298301, Aug 27 1985 SNAP-ON TOOLS WORLDWIDE, INC ; SNAP-ON TECHNOLOGIES, INC Palm grip impact wrench
D307103, Dec 08 1986 Upneumat International, Inc. Portable pneumatic tool
D439122, Feb 17 2000 Credo Technology Corporation Spiral cutting tool
D512618, Dec 01 2003 MAT INDUSTRIES, LLC Impact wrench
Patent Priority Assignee Title
168215,
176846,
/
Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 17 1977Chicago Pneumatic Tool Company(assignment on the face of the patent)
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