Disposable cardboard safety cone

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Description

FIG. 1 is a perspective view of the rear and right side of the assembled cone. The left side is a mirror image.

FIG. 2 is a front elevational view; and,

FIG. 3 is a plan view showing my design in an alternate, unassembled configuration.

In FIG. 3, the broken lines depict perforations or scoring, which form part of the claimed design.

Claims

The ornamental design for a disposable cardboard safety cone, as shown and described.

Referenced Cited
U.S. Patent Documents
4256050 March 17, 1981 Barnard
4772869 September 20, 1988 Grammas et al.
4798747 January 17, 1989 Laramee
5090349 February 25, 1992 Wilson
5225254 July 6, 1993 Foulke
5566638 October 22, 1996 Rokosny
7089878 August 15, 2006 Huang
20030033742 February 20, 2003 Perelli et al.
20040250744 December 16, 2004 Garcia
20090235860 September 24, 2009 Julnes
Patent History
Patent number: D615439
Type: Grant
Filed: Sep 1, 2009
Date of Patent: May 11, 2010
Inventor: David Edward Ludford (New Westminster, B.C.)
Primary Examiner: Caron Veynar
Assistant Examiner: George D Kirschbaum
Application Number: 29/316,177
Classifications
Current U.S. Class: D10/113; D10/109