Patent
   D349027
Priority
Apr 30 1993
Filed
Apr 30 1993
Issued
Jul 26 1994
Expiry
Jul 26 2008
Assg.orig
Entity
unknown
4
6
n/a
The ornamental design for miniature butterfly impact wrench, as shown and described.

FIG. 1 is a left side elevational view of a miniature butterfly impact wrench showing my new design, the right side elevational view being a mirror image thereof;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a front elevational view thereof.

Izumisawa, Osamu

Patent Priority Assignee Title
D360568, May 20 1994 Maeda Metal industries, Ltd. Bolt fastening device
D512618, Dec 01 2003 MAT INDUSTRIES, LLC Impact wrench
D557097, Aug 08 2005 VESSEL FUKUCHIYAMA CO , LTD Butterfly impact wrench
D601875, May 07 2008 John Robert, Cowan Impact wrench drill chuck
Patent Priority Assignee Title
3054312,
3366187,
4191264, Apr 26 1977 Impact wrench
4313505, Aug 27 1979 Rodac Pneumatic Tools Rotary impact clutch
4811797, Oct 21 1987 Nauchno-Proizvodstvennoe Obiedinenie Po Mekhanizirovannomu Stroitelnomu Impact wrench
4846287, May 14 1986 Impact apparatus
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 26 1993IZUMISAWA, OSAMUSHINANO PNEUMATIC INDUSTRIES, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0066230004 pdf
Apr 30 1993Shinano Pneumatic Industries, Inc.(assignment on the face of the patent)
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