Self return plumb bob

Description

FIG. 1 is a front elevational view of the self return plumb bob showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
3721009 March 1973 Lucich
3854218 December 1974 Cohen
4926562 May 22, 1990 Hwu
5163230 November 17, 1992 Gast
Patent History
Patent number: D341325
Type: Grant
Filed: Jun 1, 1992
Date of Patent: Nov 16, 1993
Inventor: Donald R. Beats (Tacoma, WA)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Antoine D. Davis
Attorney: Leon Gilden
Application Number: 7/890,480
Classifications
Current U.S. Class: Geometric (5) (D10/61)