Fluid handling – With casing – support – protector or static constructional... – Vehicle
Reexamination Certificate
2002-12-11
2004-10-12
Chambers, A. Michael (Department: 3753)
Fluid handling
With casing, support, protector or static constructional...
Vehicle
C137S355160, C248S075000
Reexamination Certificate
active
06802343
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates in general to a vehicle sewer line assembly and method of using it. The invention more particularly relates to a method and assembly for discharging sewage from a vehicle such as a recreational vehicle, to a remotely located sewer inlet.
2. Background Art
There is no admission that the background art mentioned in this section is legally constituted as prior art.
Vehicles such as recreational vehicles having sewer discharge outlets, often times park in camp grounds or the like, and a flexible sewer line is connected between the sewer line outlet and the inlet of a remotely located sewer. In this manner, vehicle can be used while parked and discharge sewage in convenient manner.
There have been a variety of devices used for coupling the flexible sewer line to the vehicle sewer outlet. For example, reference may be made to the following United States patents:
U.S. PAT. NO.
INVENTOR
ISSUE DATE
4,054,159
Nelson
Oct. 18, 1977
4,228,978
Rand
Oct. 21, 1980
4,554,949
Sell
Nov. 26, 1985
4,587,994
Links et al.
May 13, 1986
4,660,860
Todd
Apr. 28, 1987
4,688,833
Todd
Aug. 28, 1987
4,708,370
Todd
Nov. 24, 1987
4,722,556
Todd
Feb. 2, 1988
4,796,926
Rapsilver
Jan. 10, 1989
4,844,121
Duke
Jul. 4, 1989
4,941,629
Horn
Jul. 17, 1990
5,417,460
Lunder
May 23, 1995
5,431,455
Seely
Jul. 11, 1995
5,667,256
Caine
Sep. 16, 1997
5,704,659
Lunder
Jan. 6, 1998
5,709,414
Bailey et al.
Jan. 20, 1998
6,240,986 B1
Berkes et al.
Jun. 5, 2001
6,378,555 B2
Kyle
Apr. 30, 2002
DAVITS
3,942,655
Andersen
Mar. 9, 1976
3,961,713
Stine
Jun. 8, 1976
4,139,110
Roberts
Feb. 13, 1979
4,145,782
De Sepio et al.
Mar. 27, 1979
4,436,180
Nilsson
Mar. 13, 1984
4,449,315
Puretic
May 22, 1984
4,499,844
Parish
Feb. 19, 1985
4,516,123
Van den Haak
Jul. 2, 1985
4,672,898
Davidson
Jun. 16, 1987
4,699,075
Tortorici
Oct. 13, 1987
4,850,298
McGlew
Jul. 25, 1989
4,913,076
Norton
Apr. 3, 1990
5,020,463
Franklin et al.
Jun. 4, 1991
5,238,025
Preston
Aug. 24, 1993
5,498,011
Kilada et al.
Mar. 12, 1996
5,951,227
Calkins et al.
Sep. 14, 1999
5,996,524
Johnson
Dec. 7, 1999
6,027,103
Painter
Feb. 22, 2000
6,082,493
Mason
Jul. 4, 2000
6,357,380 B2
Halcomb et al.
Mar. 19, 2002
6,371,694 B1
De Varax et al.
Apr. 16, 2002
While such couplers facilitate the connection and disconnection from the sewer outlet, the sewer line must first be cleaned by discharging a cleaning liquid through the flexible sewer line before disconnecting it from the sewer outlet. Once the sewer line is thus cleaned and removed from the vehicle, it frequently contains a substantial amount of the cleaning fluid residue therein. This liquid then can leak from the removed sewer line, and thus can soil a person's clothes or other clean objects inadvertently. Also, storage of the flexible sewer line on the recreational vehicle can be unwieldy and somewhat time consuming to stow the line after it is used.
Thus, it would be highly desirable to have a new and improved method and apparatus for removal of sewage from a vehicle in a convenient manner.
REFERENCES:
patent: 3712331 (1973-01-01), Otto
patent: 3730228 (1973-05-01), Gibbs, Sr.
patent: 4102523 (1978-07-01), Finnell
patent: 4125237 (1978-11-01), Hagins
patent: 4228978 (1980-10-01), Rand
patent: 5067679 (1991-11-01), Courtney
patent: 6378555 (2002-04-01), Kyle
Chambers A. Michael
Duckor Spradling Metzger & Wynne
Faahs Gary R.
Kleinke Bernard L.
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