Carpet knife

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front view of a carpet knife showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a perspective view thereof; and,

FIG. 8 is another perspective view thereof.

Claims

The ornamental design for the carpet knife, as shown and described.

Referenced Cited
U.S. Patent Documents
D110567 July 1938 Ferguson
D205286 July 1966 Dyment et al.
D235414 June 1975 Miller
3927473 December 1975 Braginetz
D245570 August 30, 1977 West et al.
D310475 September 11, 1990 Weimann
D311854 November 6, 1990 Wilson et al.
D408704 April 27, 1999 Gilbert
D419420 January 25, 2000 Whitehead et al.
D437764 February 20, 2001 Zimmerman
D440857 April 24, 2001 Carroll
6845561 January 25, 2005 Timson
6865816 March 15, 2005 Zajdel
6971178 December 6, 2005 Rowlay
D563755 March 11, 2008 Wu
D564328 March 18, 2008 Smith
D565381 April 1, 2008 Wu
D574211 August 5, 2008 Muehlebach
D592032 May 12, 2009 Wu
7536788 May 26, 2009 VanHoy et al.
D624386 September 28, 2010 van Deursen
20100180450 July 22, 2010 Van Deursen
Patent History
Patent number: D645721
Type: Grant
Filed: Jun 19, 2010
Date of Patent: Sep 27, 2011
Inventor: Yuewei Wu (Ninghai)
Primary Examiner: Philip S Hyder
Assistant Examiner: Roselynne Cody
Application Number: 29/364,172
Classifications
Current U.S. Class: D8/99