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PTO
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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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17
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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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| Patent |
Priority |
Assignee |
Title |
| 3176577, |
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|
| 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 |
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| 5011290, |
Nov 08 1987 |
Roche Diabetes Care, Inc |
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| 5083868, |
Feb 15 1991 |
Hach Company |
Colorimeter |
| 186271, |
|
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|
| 197404, |
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| 226428, |
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| D318245, |
Jan 04 1989 |
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| D321488, |
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| WO9101179, |
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| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a