Fluid handling – Back flow prevention by vacuum breaking – Air vent in liquid flow line
Reexamination Certificate
2005-12-06
2005-12-06
Michalsky, Gerald A. (Department: 3753)
Fluid handling
Back flow prevention by vacuum breaking
Air vent in liquid flow line
Reexamination Certificate
active
06971400
ABSTRACT:
A dual inlet air gap fixture having an air gap body with first and second interior inlet conduits for receiving wastewater flow respectively from first and second identical or diverse sources of wastewater. The body has an interior outlet conduit opposite the inlet conduits for discharging wastewater emptying from either or both of the inlet conduits. A removable water reversal cap and partition module is received within the upper portion of the air gap body and provides venting communication between atmosphere and the outlet conduit, and redirects the wastewater from the inlet conduits into the outlet conduit. The inlet conduits are arrayed side-by-side on one side of the body interior space and the outlet conduit occupies the remaining interior space on the other side of space opposite from the two inlet conduits.
REFERENCES:
patent: 2878826 (1959-03-01), Dolenga
patent: 3183923 (1965-05-01), Henrikson
patent: 3620241 (1971-11-01), Brown
patent: 3716143 (1973-02-01), Clark
patent: 3786924 (1974-01-01), Huffman
patent: 3856672 (1974-12-01), Boswinkle et al.
patent: 3929149 (1975-12-01), Phillips
patent: 3967638 (1976-07-01), Tondreau
patent: 4071445 (1978-01-01), Katayama et al.
patent: 4134419 (1979-01-01), Richetti
patent: 4454891 (1984-06-01), Dreibelbis et al.
patent: 4646775 (1987-03-01), Traylor
patent: 4771485 (1988-09-01), Traylor
patent: 4812237 (1989-03-01), Cawley et al.
patent: 4856121 (1989-08-01), Traylor
patent: 4917847 (1990-04-01), Solomon
patent: 4944877 (1990-07-01), Maples
patent: 4967784 (1990-11-01), Barhydt, Sr. et al.
patent: 5006234 (1991-04-01), Menon et al.
patent: 5176165 (1993-01-01), Traylor
patent: 5305778 (1994-04-01), Traylor
patent: 5713385 (1998-02-01), Traylor
patent: 5721411 (1998-02-01), Ervin
patent: 5875809 (1999-03-01), Barrom
patent: 6193879 (2001-02-01), Bowman
patent: 6453931 (2002-09-01), Traylor
patent: 6510863 (2003-01-01), Traylor
Bowman Dennis E.
Norvell Steven B.
Michalsky Gerald A.
Reising Ethington Barnes Kisselle P.C.
Waugaman William J.
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