Digital protractor

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Description

FIG. 1 is a front elevational view of a digital protractor;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Claims

The ornamental design for a digital protractor, as shown and described.

Referenced Cited
U.S. Patent Documents
D376110 December 3, 1996 Quint, Jr.
D385500 October 28, 1997 Quint, Jr.
7299560 November 27, 2007 Diaz et al.
Patent History
Patent number: D568772
Type: Grant
Filed: Jun 10, 2007
Date of Patent: May 13, 2008
Assignee: Guilin Gemred Sensor Technology Ltd. (Guilin)
Inventors: Guangjin Li (Guilin), Changsong Jiang (Guilin)
Primary Examiner: Antoine D. Davis
Attorney: Matthias Scholl P.C.
Application Number: 29/280,934
Classifications
Current U.S. Class: Angle Or Direction (7) (D10/65)