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Patent
D333630
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Priority
Jan 16 1990
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Filed
May 22 1990
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Issued
Mar 02 1993
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Expiry
Mar 02 2007
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Assg.orig
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Entity
unknown
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18
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12
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n/a
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The ornamental design for an instrument for testing liquid samples, as shown and described.
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FIG. 1 is a front perspective view of an instrument for testing liquid
samples showing my new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a rear perspective view thereof;
FIG. 4 is a rear elevational view thereof; and,
FIG. 5 is a bottom plan view thereof.
Marks, Colin E.
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ER2212, |
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|
ER3258, |
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ER3356, |
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ER5634, |
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ER6816, |
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Patent |
Priority |
Assignee |
Title |
3176577, |
|
|
|
4180009, |
May 26 1977 |
Tintometer GmbH |
Ion concentration testing apparatus |
4871258, |
Apr 29 1988 |
Roche Diabetes Care, Inc |
Color test meter |
4984895, |
Mar 14 1988 |
EVENFLO COMPANY, INC |
Color comparison device having a bulged insertion groove for holding a test stick in a flexed condition |
5011290, |
Nov 08 1987 |
Roche Diabetes Care, Inc |
Test sample color comparison device |
5083868, |
Feb 15 1991 |
Hach Company |
Colorimeter |
186271, |
|
|
|
197404, |
|
|
|
226428, |
|
|
|
D318245, |
Jan 04 1989 |
Roche Diabetes Care, Inc |
Colorimeter |
D321488, |
Apr 29 1988 |
Roche Diabetes Care, Inc |
Colorimeter |
WO9101179, |
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Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a