Chalk line

Description

FIG. 1 is a front elevational view of a chalk line showing my new design;

FIG. 2 is a rear elevational view;

FIG. 3 is a left side elevational view;

FIG. 4 is a right side elevational view;

FIG. 5 is a top plan view; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D203411 January 1966 Quenot
D203622 February 1966 Quenot
D205373 June 1966 Quenot
D205467 August 1966 Quenot
665537 January 1901 Major
1233034 July 1917 Crogan
1424085 July 1922 Crogan
1467840 September 1923 Crogan
1491437 April 1924 Taylor
2723087 November 1955 Simmons
3325116 June 1967 Quenot
Foreign Patent Documents
175343 April 1922 CAX
Other references
  • Hardware Age News, Convex Rules, 2/1969, p. 48.
Patent History
Patent number: D314156
Type: Grant
Filed: Nov 18, 1988
Date of Patent: Jan 29, 1991
Inventor: Mark E. Doyle (White Rock , B.C. V4B 2X9)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Attorney: Jerry T. Kearns
Application Number: 7/272,876