Pipe extension

Description

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a side elevational view of the present invention, as taken from the left side in FIG. 1;

FIG. 3 is a side elevational view, as taken from the unseen side in FIG. 1;

FIG. 4 is an end elevational view, as taken from the right in FIG. 1;

FIG. 5 is an end elevational view, as taken from the unseen end in FIG. 1;

FIG. 6 is a top plan view; and,

FIG. 7 is a bottom plan view.

Claims

CLAIM The ornamental design for a pipe extension, as shown and described.

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Inventors:	Krohmer; Steven (Coon Rapids, MN), Banasik; Daniel P. (Eagan, MN)
Assignee:	Rockler Companies, Inc. (Medina, MN)
Appl. No.:	D/328,469
Filed:	November 25, 2008

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Current U.S. Class:	D23/266
Current International Class:	2301
Field of Search:	;D23/259-269 ;285/83,275,277 ;137/614.04,149.6

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References Cited [Referenced By]

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U.S. Patent Documents

109695	November 1870	Westinghouse, Jr.
1180758	April 1916	Brekke et al.
D49474	August 1916	Fargo
D57343	March 1921	Humphrey
2497633	February 1950	Shapiro et al.
3181396	May 1965	Nance
D254863	April 1980	Hayes
D282962	March 1986	Gerber
4611485	September 1986	Leslie
4724608	February 1988	Parrott
D318102	July 1991	Papai
5316041	May 1994	Ramacier et al.
5669404	September 1997	Guillermo
5702215	December 1997	Li
6003557	December 1999	Brelig et al.
6282999	September 2001	Hite et al.
6904835	June 2005	Dugan et al.

Other References

Pasco Tools & Electrical, p. C-3 ("The Drain Key"); 1 page (publically available at least prior to Oct. 8, 2007). cited by other . Pasco Tools & Electrical, p. C-33("Internal Nipple Wrench"); 1 page (publically available at least prior to Oct. 8, 2007). cited by other.

Primary Examiner: Nelson; T. Chase
Assistant Examiner: Goodman; Eric L
Attorney, Agent or Firm: Westman, Champlin & Kelly, P.A.