Concrete pipe spacer

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Description

FIG. 1 is a front elevational view of a concrete pipe spacer showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof.

FIG. 6 is a front elevational view of a second embodiment of the design shown in FIG. 1;

FIG. 7 is a left side elevational view thereof;

FIG. 8 is a right side elevational view thereof;

FIG. 9 is a rear elevational view thereof;

FIG. 10 is a top plan view thereof; and,

FIG. 11 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
3471986 October 1969 Swenson
3722164 March 1973 Schmidgall
4301638 November 24, 1981 Schmidgall
4939883 July 10, 1990 Swenson
4989388 February 5, 1991 Schmidgall et al.
4999965 March 19, 1991 Schmidgall et al.
Patent History
Patent number: D330846
Type: Grant
Filed: Oct 1, 1990
Date of Patent: Nov 10, 1992
Assignee: Western Wire Products Company (St. Louis, MO)
Inventors: Michael B. Woolledge (St. Louis, MO), Gene B. Young (Kirkwood, MO)
Primary Examiner: Wallace R. Burke
Assistant Examiner: H. Baynham
Law Firm: Kalish & Gilster
Application Number: 7/591,030
Classifications
Current U.S. Class: D/8354