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Patent
   D246600
Priority
May 06 1975
Filed
Nov 05 1975
Issued
Dec 06 1977
Expiry
Dec 06 1991
Inventors
Kurata, Mo…
Assg.orig
Japan Medi…
Assg.curr
Japan Medi…
Entity
unknown
Referenced by
38
References
7
Maint.:
n/a
The ornamental design for test tube, as shown.

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

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
9207164, Dec 09 2005 DNA Genotek Inc. Container system for releasably storing a substance
D259440, Jul 03 1978 KIMBLE GLASS INC Culture tube or similar article
D292735, Nov 02 1983 A/S Nunc Tube for the immunological adsorption analysis
D296928, Sep 24 1985 Test tube
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D318727, Nov 04 1988 National Scientific Company Vial
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THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2240101,
2858036,
3134725,
3705018,
3898468,
3980436, Dec 19 1974 Sci-Med Laboratories, Inc. Analytic test device
213292,
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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