Spirit level

Description

FIG. 1 is a rear elevational view of a spirit level showing my new design;

FIG. 2 is a bottom plan view;

FIG. 3 is a front elevational view;

FIG. 4 is a top plan view;

FIG. 5 is a right side elevational view; and

FIG. 6 is a left side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D168401 December 1952 Harris
D224663 August 1972 deJong
D301553 June 13, 1989 Makofsky et al.
2634509 April 1953 Roberts
2813349 November 1957 Harris
2944144 July 1960 Naylor
4407075 October 4, 1983 MacDermott et al.
4876798 October 31, 1989 Zimmerman
Patent History
Patent number: D320360
Type: Grant
Filed: May 8, 1989
Date of Patent: Oct 1, 1991
Inventor: Donald F. Kennedy (Del Mar, CA)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Attorney: Frank D. Gilliam
Application Number: 7/349,124
Classifications
Current U.S. Class: Spirit Level (D10/69)