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US4215445A Expired / Lapsed US ⏱️ 0.0 years remaining

Portable toilets

Assignee: Thetford LLC
•
Filing: 1979-09-14
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Granted: 1980-08-05
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Expires: 1999-09-14
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Abstract

Abstract A portable toilet of the type having two vertically stacked sections, the lower section (12) being a holding tank, and the upper section (14) including a toilet bowl (22), a water tank (26) for storage of water for flush purposes, and a pump (30) for flushing the toilet bowl. To provide a source of chemicals for inserting into the holding tank, a storage chamber (66) is formed in the top wall (38) of the holding tank so as to be confined within the walls (18) of the upper section. To provide a source of toilet tissue paper, a storage chamber (76) is provided between the upper and lower sections (12) and (14) and a toilet tissue paper holder (78) is mounted therein.

Inventors

  • 👤 John M. Antos
  • 👤 Arthur W. Henke
  • 👤 Erin J. Lindsay
  • 👤 James T. Embach

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 15:12
CPC Classifications
E; E03; E03D; E03D5/00; E03D5/01

Claims Analysis

Total Claims: 14
Claim 1
Independent Claim 136 words
A portable toilet comprising a portable lower holding tank section and a portable upper seat section removably supported thereon, said seat section having walls that define a flush water storage tank and a toilet bowl with an outlet port at its bottom, and means for discharging flush water from the storage tank into the toilet bowl, said holding tank section having walls that define a closed receptacle with an inlet port in its top wall in registry with said outlet port, and said holding tank section having a valve assembly for opening and closing said inlet port, characterized in that said holding tank and seat sections define between them at least one storage chamber for storage of a material to be used in conjunction with the portable toilet and to be deposited in said holding tank.
Claim 2
Dependent Claim 136 words
A portable toilet comprising a portable lower holding tank section and a portable upper seat section removably supported thereon, said seat section having walls that define a flush water storage tank and a toilet bowl with an outlet port at its bottom, and means for discharging flush water from the storage tank into the toilet bowl, said holding tank section having walls that define a closed receptacle with an inlet port in its top wall in registry with said outlet port, and said holding tank section having a valve assembly for opening and closing said inlet port, characterized in that said holding tank and seat sections define between them at least one storage chamber for storage of a material to be used in conjunction with the portable toilet and to be deposited in said holding tank.
Claim 3
Dependent Claim 50 words
A portable toilet according to claim 1, characterized in that said one storage chamber is a recess in the top wall of said holding tank, said recess in the top wall being shaped so that a container of chemical material for use in the holding tank can be stored therein.
Claim 4
Dependent Claim 49 words
A portable toilet according to claim 1, characterized in that said one storage chamber is a recess in a bottom wall of said seat section, said recess in the bottom wall being shaped so that a holder for toilet tissue paper can be stored therein and paper dispensed therefrom.
Claim 5
Dependent Claim 88 words
A portable toilet according to claim 1, characterized in that one storage chamber is a recess in the top wall of said holding tank, said recess in the top wall being shaped so that a container of chemical material for use in the holding tank can be stored therein, and another storage chamber is a recess in a bottom wall of said seat section, said recess in the bottom wall being shaped so that a holder for toilet tissue paper can be stored therein and paper dispensed therefrom.
Claim 6
Dependent Claim 233 words
A portable toilet comprising a portable lower holding tank section and a portable upper seat section removably supported therein, said seat section having top, side, and bottom walls and defining a flush water storage tank and a toilet bowl which has an outlet port at its bottom, and said seat section including flush apparatus for discharging flush water from the storage tank into the bowl, said holding tank section having a top wall and side and bottom walls forming a closed receptacle with an inlet port in its top wall in registry with said outlet port, the seat and holding tank sections each having at least one wall associated with a side wall of the other, the associated side walls being disposed generally one above the other, and said holding tank section having a valve assembly for opening and closing said inlet port, characterized in that said holding tank and seat sections define between their adjacent top and bottom walls and at one of their associated side walls a storage chamber having an access opening through the associated side walls, said storage chamber including recesses in the bottom wall of the seat section and the top wall of the holding tank section shaped to enclose a holder for toilet tissue paper, and a toilet paper holder mounted in said storage chamber so that toilet tissue paper can be removed through the access opening.
Claim 7
Dependent Claim 233 words
A portable toilet comprising a portable lower holding tank section and a portable upper seat section removably supported therein, said seat section having top, side, and bottom walls and defining a flush water storage tank and a toilet bowl which has an outlet port at its bottom, and said seat section including flush apparatus for discharging flush water from the storage tank into the bowl, said holding tank section having a top wall and side and bottom walls forming a closed receptacle with an inlet port in its top wall in registry with said outlet port, the seat and holding tank sections each having at least one wall associated with a side wall of the other, the associated side walls being disposed generally one above the other, and said holding tank section having a valve assembly for opening and closing said inlet port, characterized in that said holding tank and seat sections define between their adjacent top and bottom walls and at one of their associated side walls a storage chamber having an access opening through the associated side walls, said storage chamber including recesses in the bottom wall of the seat section and the top wall of the holding tank section shaped to enclose a holder for toilet tissue paper, and a toilet paper holder mounted in said storage chamber so that toilet tissue paper can be removed through the access opening.
Claim 8
Dependent Claim 66 words
A portable toilet according to claim 5, characterized in that the toilet paper holder includes a cover for said access opening, and said holder is mounted in said storage chamber for movement between a first position in which the cover closes said access opening and a second position in which the cover is retracted so that toilet tissue paper can be removed through the access opening.
Claim 9
Dependent Claim 92 words
A portable toilet according to claim 6, characterized in that said storage chamber has a cylindrical configuration, and said holder is a segment of a cylindrical container that includes end wall portions having axially aligned bosses on which the core of a roll of toilet paper can be mounted and an interconnecting cylindrical wall portion forming said cover, said end wall portions and the adjacent walls of said storage chamber having cooperating track and follower means on which the holder can be rotated between the first and second positions of the cover.
Claim 10
Dependent Claim 31 words
A portable toilet according to claim 7, characterized in that said cooperating track and follower means includes detent means for retaining said holder in either its first or its second position.
Claim 11
Dependent Claim 79 words
A portable toilet according to claim 5, characterized in that said top wall of the holding tank section has a spout projecting upwardly, a removable closure cap is secured to the spout to close the upper end, the portable upper seat section encloses the spout and its removable closure cap, and said upwardly projecting spout has a storage chamber formed therein in which a container can be retained for storage of material to be deposited in the holding tank.
Claim 12
Dependent Claim 214 words
A portable toilet comprising a portable lower holding tank section and a portable upper seat section removably supported thereon, said seat section having top, side and bottom walls and defining a flush water storage tank and a toilet bowl which has an outlet port at its bottom and means for discharging flush water from the storage tank into the toilet bowl, said holding tank section having a top wall and side and bottom walls forming a closed receptacle with an inlet port in its top wall in registry with said outlet port, and said holding tank section having a valve assembly for opening and closing said inlet port, said top wall of the holding tank section having a spout projecting upwardly, and a removable closure cap secured to the spout to close the upper end, said portable upper seat section enclosing said spout and its removable closure cap, characterized in that said upwardly projecting spout has a storage chamber formed therein in which a container can be retained for storage of material to be deposited in said holding tank, said storage chamber being enclosed by the seat section so that access to a container therein can be had only when the seat section is removed from its supported position on said holding tank section.
Claim 13
Dependent Claim 214 words
A portable toilet comprising a portable lower holding tank section and a portable upper seat section removably supported thereon, said seat section having top, side and bottom walls and defining a flush water storage tank and a toilet bowl which has an outlet port at its bottom and means for discharging flush water from the storage tank into the toilet bowl, said holding tank section having a top wall and side and bottom walls forming a closed receptacle with an inlet port in its top wall in registry with said outlet port, and said holding tank section having a valve assembly for opening and closing said inlet port, said top wall of the holding tank section having a spout projecting upwardly, and a removable closure cap secured to the spout to close the upper end, said portable upper seat section enclosing said spout and its removable closure cap, characterized in that said upwardly projecting spout has a storage chamber formed therein in which a container can be retained for storage of material to be deposited in said holding tank, said storage chamber being enclosed by the seat section so that access to a container therein can be had only when the seat section is removed from its supported position on said holding tank section.
Claim 14
Dependent Claim 38 words
A portable toilet according to claim 10, characterized in that said chamber has a configuration in the shape of a container, and fastening means are provided in said chamber for holding the container in position in said chamber.

References Cited (Backward Citations)

US1607302A Cited
US3171135A Cited
US3570018A Cited
US3801991A Cited
US3858249A Cited
US3851339A Cited
CA1048705A Cited
US4180876A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1983-08-05 1984-02-04 1984-08-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1987-08-05 1988-02-04 1988-08-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1991-08-05 1992-02-04 1992-08-05 $7700.00 Window Closed / Lapsed

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