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Patent
   D305202
Priority
Apr 24 1986
Filed
Apr 24 1986
Issued
Dec 26 1989
Expiry
Dec 26 2003
Inventors
Johnson, D…
Assg.orig
The Arcair…
Assg.curr
The Arcair…
Entity
unknown
Referenced by
5
References
8
Maint.:
n/a
The ornamental design for a multi-vial level attachment for hand-held drills, as shown and described.

FIG. 1 is a front, top and left side perspective view of the multi-vial level attachment for hand-held drills showing my new design, the rear view being plain and unornamented.

FIG. 2 is a front, top and right side perspective view thereof.

FIG. 3 is a left side elevational view thereof.
INVENTORS:

Johnson, David E.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
6131298, May 28 1998 Self-supporting level measurement device
7447565, May 06 2004 CERWIN TOOLS, INC Electronic alignment system
D332754, Jul 19 1990 SU GROUP, INC Pipe bending level
D397948, Oct 31 1997 Drill level attachment
D407335, Mar 10 1998 Drill inclinometer attachment
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
1333559,
2820302,
4125944, Aug 10 1976 Level for power hand drill
4141151, Feb 10 1978 Drill leveling arrangement
4393599, Sep 02 1980 John W., Sterrenberg Leveling mechanisms for hand-held power drill
162841,
D255504, Mar 13 1978 Vy-Dawn, Incorporated Spirit level vial container
DE1934717,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 24 1986The Arcair Company(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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