Trench shield handling assembly

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a rear perspective view of the trench shield handling assembly showing my new design.

FIG. 2 is a front perspective view thereof.

FIG. 3 is a front elevational view thereof.

FIG. 4 is a left side elevational view thereof.

FIG. 5 is a right side elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
158434 January 1875 Newcomb
D220964 June 1971 Ledington
D268060 February 22, 1983 Sutela
D330671 November 3, 1992 Greene et al.
D337412 July 13, 1993 Ruggles
1587301 June 1926 Hanley, Jr.
1919549 July 1933 Fryslie
3606438 September 1971 Feczko
4576542 March 18, 1986 Brasell et al.
4826228 May 2, 1989 Dintz et al.
Foreign Patent Documents
1383953 October 1963 FRX
29613341 October 1988 FRX
Patent History
Patent number: D417764
Type: Grant
Filed: Mar 19, 1996
Date of Patent: Dec 14, 1999
Assignee: Efficiency Production, Inc. (Mason, MI)
Inventor: Luther Bradford Barringer (Richfield, NC)
Primary Examiner: M. N. Pandozzi
Law Firm: Miller, Morriss & Pappas
Application Number: 0/51,954
Classifications
Current U.S. Class: Element Or Attachment (D34/35)
International Classification: 1205;