Rolling ruler

Description

FIG. 1 is a top, front, and left side perspective view of a rolling ruler showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a front elevational view;

FIG. 4 is a bottom plan view;

FIG. 5 is a rear elevational view; and

FIG. 6 is a right side elevational view, the left side being a mirror image thereof.

Referenced Cited
U.S. Patent Documents
D198935 August 1964 Elkins
D261995 November 24, 1981 Kolodge
306869 October 1884 Scott
Foreign Patent Documents
173354 March 1986 EPX
163907 February 1949 DEX
120143 1958 SUX
13302 1910 GBX
2118105 October 1983 GBX
Other references
  • Popular Mechanics, 5/1957, "Ruler on Wheels", p. 146. Popular Mechanics, 3/1959, "Ruler Rolls", p. 107.
Patent History
Patent number: D315873
Type: Grant
Filed: Nov 18, 1988
Date of Patent: Apr 2, 1991
Assignee: James Gregory McLaughlin (Queensland)
Inventor: Adam T. Laws (Balmain East)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Law Firm: Townsend and Townsend
Application Number: 7/273,431
Classifications
Current U.S. Class: Combined (D10/62)