Pipe trench side panel elbow

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Description

FIG. 1 is a front perspective view showing top, left and right sides of my new design, with intermediate regions of the perpendicular legs of the panel that form no part of the claimed design being shown by broken lines, indicating that the legs which form left and right sides of the panel are of indefinite length;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof:

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

FIG. 6 is a right side elevational view thereof.

The design relates to short opposite end regions and to a right angle central region of a side panel used in forming pipe trench elbow and tee sections. Each of the perpendicular legs of the panel are of indefinite length.

All subject matter depicted by broken lines is environmental, is provided for merely for illustrative purposes, and forms no part of the claimed design.

Claims

I claim the ornamental design for a pipe trench side panel elbow, substantially as shown and described.

Referenced Cited
U.S. Patent Documents
1085429 January 1914 Kahn et al.
2305955 December 1942 Dudley
2701027 January 1955 Scoville
D193927 October 1962 Prator
3238684 March 1966 Wood
3676967 July 1972 Frati
3733761 May 1973 Casto
3912408 October 1975 Domnick
D246384 November 15, 1977 Brown et al.
4104837 August 8, 1978 Naito
4498807 February 12, 1985 Kirkpatrick et al.
4515498 May 7, 1985 Thomann et al.
4553874 November 19, 1985 Thomann et al.
4621939 November 11, 1986 Thomann et al.
4630962 December 23, 1986 Thomann et al.
4630966 December 23, 1986 Karbstein
4640643 February 3, 1987 Williams
4698947 October 13, 1987 McKay
4699544 October 13, 1987 Karbstein
4706429 November 17, 1987 Young
4815888 March 28, 1989 Stegmeier
4844655 July 4, 1989 Aleshire
4878782 November 7, 1989 Beattie et al.
4889310 December 26, 1989 Boeshart
4940359 July 10, 1990 Van Duyn et al.
4993878 February 19, 1991 Beamer
5000621 March 19, 1991 Beamer
5026202 June 25, 1991 Thomann
5213438 May 25, 1993 Barenwald
5226748 July 13, 1993 Barenwald et al.
5256000 October 26, 1993 Beamer
5277522 January 11, 1994 Pertz
5281052 January 25, 1994 Beamer
5311718 May 17, 1994 Trousilek
5459970 October 24, 1995 Kim
5475950 December 19, 1995 Palmer
5529436 June 25, 1996 Meyers
5537797 July 23, 1996 Harkenrider et al.
5538361 July 23, 1996 Beamer
5568995 October 29, 1996 Beamer
5645367 July 8, 1997 Gunter
5718537 February 17, 1998 Becker et al.
5810513 September 22, 1998 Beamer et al.
5896714 April 27, 1999 Cymbala et al.
5971662 October 26, 1999 Becker et al.
6000881 December 14, 1999 Becker et al.
6027283 February 22, 2000 Schweinberg et al.
6113311 September 5, 2000 Becker et al.
6167669 January 2, 2001 Lanc
6220784 April 24, 2001 Bricker
6595720 July 22, 2003 Humphries et al.
7048466 May 23, 2006 Benesteau et al.
7125506 October 24, 2006 Humphries et al.
7347029 March 25, 2008 Wostal et al.
7413372 August 19, 2008 Meyers
7438802 October 21, 2008 Hurst
7444788 November 4, 2008 Morin et al.
7534071 May 19, 2009 Humphries et al.
7637695 December 29, 2009 Akkala
7736092 June 15, 2010 Hodgekins et al.
7757448 July 20, 2010 Zhu
7818936 October 26, 2010 Morin et al.
7874112 January 25, 2011 Kovatch et al.
7882672 February 8, 2011 Emblin
7967523 June 28, 2011 Hetzler et al.
7975436 July 12, 2011 Newton
20050025572 February 3, 2005 Sanfilippo et al.
Foreign Patent Documents
3602962 August 1987 DE
2700563 July 1994 FR
2234001 January 1991 GB
Other references
  • Preform Trench Drain Co.—Photo Gallery Page—1 Page Downloaded From Website www.preformtrenchdrain.com Mar. 2011.
  • Zurn Industries LLC Pittsburgh—Utility Trench Perma-Duct 1 Page—Dated May 2011.
Patent History
Patent number: D710032
Type: Grant
Filed: Jan 18, 2013
Date of Patent: Jul 29, 2014
Inventor: David J Chrien (Shaker Heights, OH)
Primary Examiner: Doris Clark
Application Number: 29/442,275