Plumb bob

Description

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

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
1571687 February 1926 O'Loughlin
2637913 May 1953 Williams
4061291 December 6, 1977 Cunningham
4565005 January 21, 1986 Naka
4926562 May 22, 1990 Hwu
Patent History
Patent number: D334348
Type: Grant
Filed: Mar 19, 1990
Date of Patent: Mar 30, 1993
Inventor: Richard A. Doyle (Portland, ME)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Antoine D. Davis
Law Firm: Pearson & Pearson
Application Number: 7/495,837
Classifications
Current U.S. Class: Angle Or Direction (7) (D10/65)