Patent
   D287330
Priority
May 29 1984
Filed
May 29 1984
Issued
Dec 23 1986
Expiry
Dec 23 2000
Assg.orig
Entity
unknown
2
4
n/a
The ornamental design for a portable grinding machine, as shown.

FIG. 1 is a perspective view of a portable grinding machine showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a rear view thereof; and

FIG. 7 is a bottom view thereof.

Karden, Karl G., Berger, Karl-Gustav

Patent Priority Assignee Title
D324982, Apr 18 1989 Nitto Kohki Co., Ltd. Air-operated chamfering tool
D724922, Apr 20 2013 Grinder attachment
Patent Priority Assignee Title
3775911,
3935678, Aug 02 1972 Vacuum attachment for abrading machine
4330967, May 09 1980 Cooper Technologies Company Grinder and wheel guards therefor
216578,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 15 1984BERGER, KARL-GUSTAVAtlas Copco ABASSIGNMENT OF ASSIGNORS INTEREST 0042660661 pdf
May 17 1984KARDEN, KARL G Atlas Copco ABASSIGNMENT OF ASSIGNORS INTEREST 0042660661 pdf
May 29 1984Atlas Copco AB(assignment on the face of the patent)
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