Ruler

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Description

FIG. 1 is a top left perspective view of a ruler showing my new design;

FIG. 2 is a left end elevational view thereof;

FIG. 3 is a front elevational view thereof, the rear being a mirror image thereto;

FIG. 4 is a right end elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D29328 September 1898 Carver
D29832 December 1898 Walker
83115 October 1868 Wilcox
D187493 March 1960 Zuckerman
D207794 May 1967 Cherrington
D252615 August 14, 1979 Lopez
1009214 November 1911 Backstrom
1870655 August 1932 Schur
3343265 September 1967 Puerta
Other references
  • Post Cat., 19th Edition, 7/1/50, p. 102, "Circ-L-Scale," Template No. 2976 at center-right.
Patent History
Patent number: D260005
Type: Grant
Filed: Oct 5, 1979
Date of Patent: Jul 28, 1981
Inventor: Max M. Sandfield (Dallas, TX)
Primary Examiner: Nelson C. Holtje
Application Number: 6/82,145
Classifications
Current U.S. Class: Rule, Tape Or Scale (10) (D10/71)
International Classification: D1004;