Straightedge

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Description

FIG. 1 is a top plan view of a straightedge showing my new design; the bottom being identical;

FIG. 2 is a front edge elevational view thereof, the opposite edge being identical therewith when inverted;

FIG. 3 is a left end elevational view thereof;

FIG. 4 is a right end elevational view thereof.

The side opposite that shown in FIG. 2 is identical therewith.

Referenced Cited
U.S. Patent Documents
205795 July 1978 Green
2214999 September 1940 Hullinger
2486748 November 1949 Koenig
Patent History
Patent number: D246441
Type: Grant
Filed: Oct 14, 1975
Date of Patent: Nov 22, 1977
Inventor: Fred Bergendorff (La Mesa, CA)
Primary Examiner: Nelson C. Holtje
Attorney: George J. Netter
Application Number: 5/622,066
Classifications
Current U.S. Class: Rule, Tape Or Scale (10) (D10/71)
International Classification: D1004;