Step staircase for pets

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Description

FIG. 1 is a perspective view of a step staircase for pets;

FIG. 2 is a top plan view thereof.

FIG. 3 is a left side elevational view thereof, the right side elevational view being a mirror image thereof,

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a rear elevational view thereof.

Claims

The ornamental design for a step staircase for pets, as shown and described.

Referenced Cited
U.S. Patent Documents
3830337 August 1974 Todd
4537282 August 27, 1985 Lobdell
5094505 March 10, 1992 Nichols
D372985 August 20, 1996 Bourgault
5634440 June 3, 1997 Mogck
5644873 July 8, 1997 Bourgault
D383261 September 2, 1997 Karsten et al.
6000494 December 14, 1999 Wilson
D429038 August 1, 2000 Forester
6155207 December 5, 2000 LaRocca
D449895 October 30, 2001 Wilson
D507662 July 19, 2005 St-Hilaire
6964246 November 15, 2005 Wolfington et al.
6966405 November 22, 2005 St-Pierre et al.
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Patent History
Patent number: D548898
Type: Grant
Filed: Apr 24, 2006
Date of Patent: Aug 14, 2007
Assignee: Doskocil Manufacturing Company, Inc. (Arlington, TX)
Inventors: Melaney Northrop (Arlington, TX), Michael A. Foster (Argyle, TX)
Primary Examiner: M. H. Tung
Assistant Examiner: Susan Moon Lee
Attorney: Locke Liddell & Sapp, LLP
Application Number: 29/258,528
Classifications
Current U.S. Class: Miscellaneous (D30/199)