Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Fitting
Design Patent
2008-11-25
2009-08-04
Nelson, T. Chase (Department: 2914)
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Fitting
Design Patent
active
D0597637
CLAIM:
The ornamental design for a pipe extension, as shown and described.
REFERENCES:
patent: 109695 (1870-11-01), Westinghouse, Jr.
patent: 1180758 (1916-04-01), Brekke et al.
patent: D49474 (1916-08-01), Fargo
patent: D57343 (1921-03-01), Humphrey
patent: 2497633 (1950-02-01), Shapiro et al.
patent: 3181396 (1965-05-01), Nance
patent: D254863 (1980-04-01), Hayes
patent: D282962 (1986-03-01), Gerber
patent: 4611485 (1986-09-01), Leslie
patent: 4724608 (1988-02-01), Parrott
patent: D318102 (1991-07-01), Papai
patent: 5316041 (1994-05-01), Ramacier et al.
patent: 5669404 (1997-09-01), Guillermo
patent: 5702215 (1997-12-01), Li
patent: 6003557 (1999-12-01), Brelig et al.
patent: 6282999 (2001-09-01), Hite et al.
patent: 6904835 (2005-06-01), Dugan et al.
Pasco Tools & Electrical, p. C-3 (“The Drain Key”); 1 page (publically available at least prior to Oct. 8, 2007).
Pasco Tools & Electrical, p. C-33(“Internal Nipple Wrench”); 1 page (publically available at least prior to Oct. 8, 2007).
Banasik Daniel P.
Krohmer Steven
Goodman Eric L
Nelson T. Chase
Rockler Companies, Inc.
Westman Champlin & Kelly P.A.
LandOfFree
Pipe extension does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Pipe extension, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pipe extension will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4076386