Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Fitting
Design Patent
2006-07-19
2008-08-19
Zarfas, Louis S (Department: 2914)
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Fitting
Design Patent
active
D0575378
CLAIM:
The ornamental design for a joint for pipes to be used in arms for extraction of gases/fumes, as shown.
REFERENCES:
patent: 2409023 (1946-10-01), Dies
patent: 3908208 (1975-09-01), McIlroy
patent: D331798 (1992-12-01), Klingbyle
patent: 6125891 (2000-10-01), Witmer et al.
patent: D456493 (2002-04-01), Paterson et al.
patent: D496989 (2004-10-01), Riese
Friberg Björn
Hedlund Per
Nilsson Anders
Strömberg Lennart
AB Ph. Nederman & Co.
Buchanan & Ingersoll & Rooney PC
Goodman Eric L
Zarfas Louis S
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