Drainage tile

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Description

FIG. 1 is a perspective view of a drainage tile incorporating my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation and rear elevation view thereof; and,

FIG. 4 is a left side elevation view and a right side elevation view thereof.

Claims

The ornamental design for a drainage tile, as shown and described.

Referenced Cited
U.S. Patent Documents
3854292 December 1974 Nienstadt
D270189 August 16, 1983 Khoo
4661023 April 28, 1987 Hilfiker
D299069 December 20, 1988 Risi et al.
D305938 February 6, 1990 Risi et al.
D387109 December 2, 1997 Winans
6457911 October 1, 2002 Scales et al.
6698977 March 2, 2004 Charon
6817807 November 16, 2004 Charon
Patent History
Patent number: D515709
Type: Grant
Filed: Jul 16, 2004
Date of Patent: Feb 21, 2006
Inventor: James W. Charon (Racine, WI)
Primary Examiner: Robert A. Delehanty
Attorney: Donald J. Ersler
Application Number: 29/209,445
Classifications
Current U.S. Class: Construction Block Or Brick Type (17) (D25/113)