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Patent
   D246467
Priority
Nov 05 1975
Filed
Nov 05 1975
Issued
Nov 22 1977
Expiry
Nov 22 1991
Inventors
Kurata, Mo…
Assg.orig
Japan Medi…
Assg.curr
Japan Medi…
Entity
unknown
Referenced by
26
References
6
Maint.:
n/a
The ornamental design for test tube, as shown.

FIG. 1 is a perspective view of a test tube of my design;

FIG. 2 is a cross-sectional view taken along line II--II of FIG. 1.
INVENTORS:

Kurata, Motoji

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4902270, Oct 03 1988 Nalge Nunc International Corporation Centrifuge tube
D292735, Nov 02 1983 A/S Nunc Tube for the immunological adsorption analysis
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ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 05 1975Japan Medical Supply Co., Ltd.(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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