Trench shield stacking bracket

Description

FIG. 1 is a front perspective view of trench shield stacking bracket showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a right side view thereof, the left side being a mirror image thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D232807 September 1974 Toner
2680554 June 1954 Dakin
2698048 December 1954 Schweizer
Patent History
Patent number: D399724
Type: Grant
Filed: Mar 22, 1996
Date of Patent: Oct 20, 1998
Assignee: Efficiency Production, Inc. (Mason, MI)
Inventor: Luther Bradford Barringer (Richfield, NC)
Primary Examiner: Holly Baynham
Law Firm: Miller, Morriss & Pappas
Application Number: 0/52,058
Classifications
Current U.S. Class: D/8354
International Classification: 0805;