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Patent
   D287773
Priority
Nov 28 1983
Filed
Nov 28 1983
Issued
Jan 13 1987
Expiry
Jan 13 2001
Inventors
Kruse, Leif
Assg.orig
A S NUNC
Assg.curr
A/S Nunc
Entity
unknown
Referenced by
1
References
3
Maint.:
n/a
The ornamental design for a washing device for test tubes, as shown and described.

FIG. 1 is a perspective view of a washing device for test tubes, showing my new design;

FIG. 2 is a perspective view taken from the opposite side thereof;

FIG. 3 is a perspective view thereof with the limbs shown in a first alternate position; and

FIG. 4 is a perspective view thereof with the limbs shown in a second alternate position.
INVENTORS:

Kruse, Leif

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D689661, Aug 19 2011 Edison Nation, LLC Moisture-emitting cleaning device
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3849830,
4310010, Jan 07 1980 Apparatus for cleaning closed-end tubes
4341568, Jun 27 1980 Beckman Instruments, Inc. Method and apparatus for washing objects
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 19 1983KRUSE, LEIFA S NUNCASSIGNMENT OF ASSIGNORS INTEREST 0045730243 pdf
Nov 28 1983A/S Nunc(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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