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Patent
D798172
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Priority
Jun 29 2016
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Filed
Jun 29 2016
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Issued
Sep 26 2017
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Expiry
Sep 26 2032
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Assg.orig
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Entity
unknown
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0
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4
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n/a
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The ornamental design for a grading lamp, as shown and described.
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FIG. 1 is a front top perspective view of a grading lamp in an open position;
FIG. 2 is a front top perspective view of the grading lamp as shown in FIG. 1 in a closed position;
FIG. 3 is a top plan of the grading lamp as shown in FIG. 1 in an open position;
FIG. 4 is a bottom plan view of the grading lamp as shown in FIG. 1 in an open position;
FIG. 5 is a top plan view of the grading lamp as shown in FIG. 1 in a closed position;
FIG. 6 is a bottom plan view of the grading lamp as shown in FIG. 1 in a closed position;
FIG. 7 is a front elevation view of the grading lamp as shown in FIG. 1 in an open position;
FIG. 8 is a rear elevation view of the grading lamp as shown in FIG. 1 in an open position;
FIG. 9 is a front elevation view of the grading lamp as shown in FIG. 1 in a closed position;
FIG. 10 is a rear elevation view of the grading lamp as shown in FIG. 1 in a closed position;
FIG. 11 is a left side elevation view of the grading lamp as shown in FIG. 1 in an open position, which includes left-right symmetry; and,
FIG. 12 is a right side elevation view of the grading lamp as shown in FIG. 1 in a closed position.
The dashed and dotted lines shown are provided for environmental purposes only and form no part of the claimed design.
Kessler, Daniel L., Kessler, Henry M.
Patent |
Priority |
Assignee |
Title |
Patent |
Priority |
Assignee |
Title |
5369494, |
Apr 12 1993 |
X-Rite, Incorporated; OTP, INCORPORATED; MONACO ACQUISITION COMPANY; X-RITE GLOBAL, INCORPORATED; X-RITE HOLDINGS, INC ; GretagMacbeth LLC; PANTONE, INC |
Portable scanning colorimeter |
9222893, |
Oct 09 2009 |
OPAL PRODUCERS AUSTRALIA LIMITED |
Modified apparatus and method for assessment, evaluation and grading of gemstones |
D318245, |
Jan 04 1989 |
Roche Diabetes Care, Inc |
Colorimeter |
D333992, |
Jan 07 1991 |
Hach Company |
Pocket colorimeter |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a