Optical instrument

- Black & Decker Inc.
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Description

FIG. 1 is a front perspective view of an optical instrument according to the invention.

FIG. 2 is a left side elevational view of the instrument.

FIG. 3 is a right side elevational view of the instrument.

FIG. 4 is a rear elevational view of the instrument.

FIG. 5 is a front elevational view of the instrument.

FIG. 6 is a top plan view of the instrument; and,

FIG. 7 is a bottom plan view of the instrument.

In the above drawings, any portions shown in broken lines do not form a part of the invention.

Claims

The ornamental design for an optical instrument, as shown and described.

Referenced Cited
U.S. Patent Documents
D475938 June 17, 2003 Lopano
6577388 June 10, 2003 Kallabis
Patent History
Patent number: D491477
Type: Grant
Filed: Apr 25, 2003
Date of Patent: Jun 15, 2004
Assignee: Black & Decker Inc. (Newark, DE)
Inventors: James D. Marshall (Mallorytown), Oleksiy P. Sergyeyenko (Brockville), Michael E. Waldron (Co. Durham)
Primary Examiner: Antoine D. Davis
Attorney, Agent or Law Firm: Adan Ayala
Application Number: 29/180,539
Classifications
Current U.S. Class: Spirit Level (D10/69)
International Classification: 1004;