Pipe trench side panel elbow
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.
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- 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.
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