Protractor with an auxiliary ruler

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Description

FIG. 1 is a front elevation of a protractor with an auxiliary ruler;

FIG. 2 is a left side elevation thereof;

FIG. 3 is a right side elevation thereof;

FIG. 4 is a bottom plane view thereof;

FIG. 5 is a top plane view thereof;

FIG. 6 is a rear elevation thereof; and,

FIG. 7 is a perspective view thereof;

FIG. 8 is another perspective view thereof, showing of the protractor with an auxiliary ruler when used for illustrative purpose; and,

FIG. 9 is the other perspective view thereof, showing of the protractor with an auxiliary ruler when used for illustrative purposes.

Claims

The ornamental design for a protractor with an auxiliary ruler, as shown and described.

Referenced Cited
U.S. Patent Documents
665316 January 1901 Fay
5113590 May 19, 1992 Shapiro et al.
D398867 September 29, 1998 Taylor
D402217 December 8, 1998 Taylor
Patent History
Patent number: D469368
Type: Grant
Filed: Mar 18, 2002
Date of Patent: Jan 28, 2003
Inventor: Fu-Chi Lin (Sanhsia Township, Taipei)
Primary Examiner: Antoine Duval Davis
Application Number: 29/157,669
Classifications
Current U.S. Class: Angle Or Direction (7) (D10/65)
International Classification: 1004;