Title:
Grading lamp
Document Type and Number:
United States Patent D798172

Inventors:
Kessler, Daniel L. (Dallas, TX, US)
Kessler, Henry M. (Dallas, TX, US)
Application Number:
29/569584
Publication Date:
09/26/2017
Filing Date:
06/29/2016
View Patent Images:
Assignee:
Sy Kessler Sales, Inc. (Dallas, TX, US)
Primary Class:
International Classes:
(IPC1-7): 1004
Field of Search:
D10/46
US Patent References:
9222893Modified apparatus and method for assessment, evaluation and grading of gemstonesDecember, 2015Hornabrook
5369494Portable scanning colorimeterNovember, 1994Bowden356/402
D333992Pocket colorimeterMarch, 1993AndersonD10/81
D318245ColorimeterJuly, 1991SierraD10/81
Primary Examiner:
Davis, Antoine Duval
Attorney, Agent or Firm:
Griggs, Scott T.
Griggs Bergen LLP
Claims:
CLAIM

1. The ornamental design for a grading lamp, as shown and described.

Description:

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.