US3858251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Incinerator toilet
Assignee: Polar Ware Co
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Filing: 1973-09-17
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Granted: 1975-01-07
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Expires: 1993-09-17
Abstract
Abstract A compact, low cost, efficient gas fired incinerator toilet has a chassis within which is suspended an insulated firebox with which is associated an afterburner passage leading to a mixing chamber upstream relative to an exhaust fan and duct. A toilet seat is mounted on a cabinet top separably carried by the top of the chassis for ready access into the unit. Various operating and safety structures and controls are provided.
Inventors
- 👤 Walter J Vollrath
- 👤 Richard J Vollrath
- 👤 Paul R Virnoche
- 👤 Joseph Turk
- 👤 Paul E Gerdes
- 👤 Roy W Singer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:08
CPC Classifications
A; A47; A47K; A47K11/00; A47K11/02; A47K11/023; Y; Y02; Y02A; Y02A50/00; Y02A50/30
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
154 words
In an incinerator toilet unit including a chassis housing an upwardly opening combustion chamber and apparatus for effecting combustion therein and for disposing of products of combustion, and a top closure removably seated on said chassis and carrying a toilet seat over said chamber, the improvement comprising: the chassis frame including a base plate having an upward rear wall panel, with upstanding flanges along side edges of the base plate and forwardly extending flanges along the sides and top of said back panel; a horizontally lying generally U-shaped top frame bar having rear ends secured to said rear wall panel within the juncture corners of said back wall panel flanges; spaced upright frame bars secUred to said base plate within said flanges thereof and supporting said top frame bar; and side and front cabinet closure panels suspended from said top frame bar and enclosing the chassis frame in cooperation with said back wall panel.
Claim 2
Dependent Claim
154 words
In an incinerator toilet unit including a chassis housing an upwardly opening combustion chamber and apparatus for effecting combustion therein and for disposing of products of combustion, and a top closure removably seated on said chassis and carrying a toilet seat over said chamber, the improvement comprising: the chassis frame including a base plate having an upward rear wall panel, with upstanding flanges along side edges of the base plate and forwardly extending flanges along the sides and top of said back panel; a horizontally lying generally U-shaped top frame bar having rear ends secured to said rear wall panel within the juncture corners of said back wall panel flanges; spaced upright frame bars secUred to said base plate within said flanges thereof and supporting said top frame bar; and side and front cabinet closure panels suspended from said top frame bar and enclosing the chassis frame in cooperation with said back wall panel.
Claim 3
Dependent Claim
24 words
In a unit according to claim 1, said front and side wall panels having hook-shaped upper end portions engaged upon said top frame bar.
Claim 4
Dependent Claim
103 words
In a unit according to claim 1, said top frame bar projecting forwardly relative to the front of said base plate, said front wall panel extending vertically from said front end of the top bar and having a lower inset portion connected to the front end of the base plate and providing a toe space with an overlying insetting portion of the front panel thereover, said insetting portion having air circulation holes therethrough for entry of cooling air to the interior of the chassis, and means carried by the chassis for effecting circulation of air inwardly through said holes and through said interior.
Claim 5
Dependent Claim
33 words
In a unit according to claim 2, said base plate having upstanding flange structure along its front end, and means securing the lower portion of said front panel to said front end flange.
Claim 6
Dependent Claim
38 words
In a unit according to claim 1, including a timer carried by said top closure and including means for operating and controlling the timer; and a separable connector for connecting said timer to electrical circuitry in said chassis.
Claim 7
Dependent Claim
63 words
In a unit according to claim 5, said top closure having a hood on a rear portion thereof, said timer being mounted within said hood, said means for operating and controlling the timer comprising a knob accessible on top of said hood and a calibrated dial registrable with an index on said hood, and a controlling button accessible and operable through said knob.
Claim 8
Dependent Claim
117 words
In an incinerator toilet including a cabinet housing a firebox having a chamber opening upwardly, and a top closure on the cabinet provided with an opening over the firebox and supporting a toilet seat in association with the opening: means for directing flame horizontally into the firebox chamber intermediate the top and bottom thereof; a grate having an edge aligned in spaced relation with the nozzle to receive flame substantially uniformly above and below the grate; said grate comprising a perforated shelf plate having a generally downwardly dished central portion to maintain disposited material generally centered on said grate; and brackets on the inner side walls of said firebox within the chamber and supporting said grate removably.
Claim 9
Dependent Claim
117 words
In an incinerator toilet including a cabinet housing a firebox having a chamber opening upwardly, and a top closure on the cabinet provided with an opening over the firebox and supporting a toilet seat in association with the opening: means for directing flame horizontally into the firebox chamber intermediate the top and bottom thereof; a grate having an edge aligned in spaced relation with the nozzle to receive flame substantially uniformly above and below the grate; said grate comprising a perforated shelf plate having a generally downwardly dished central portion to maintain disposited material generally centered on said grate; and brackets on the inner side walls of said firebox within the chamber and supporting said grate removably.
Claim 10
Dependent Claim
23 words
In an incinerator toilet according to claim 7, said plate having said frame bars, and said frame bars engaged removably with said brackets.
Claim 11
Dependent Claim
151 words
An incinerator toilet including a chassis having a firebox therein providing an upwardly opening chamber, and a top closure providing an opening over said firebox and a toilet seat and seat cover hinged relative to one another and to said top closure, and comprising: spaced parallel horizontal hanger bars carrying said firebox and supported by said chassis; a pair of firebox panels movably guided between said bars over said firebox; means operable by said toilet seat cover for moving said firedoor panels between a closed position over said firebox when the toilet seat cover is closed and an open position at respectively opposite sides of the firebox when the seat cover is in open position; and friction-reducing slide means carried by said cover panels and riding on said bars which serve as rails for the firedoor panels to reduce frictional resistance to the opening and closing movements of said firedoor panels.
Claim 12
Dependent Claim
151 words
An incinerator toilet including a chassis having a firebox therein providing an upwardly opening chamber, and a top closure providing an opening over said firebox and a toilet seat and seat cover hinged relative to one another and to said top closure, and comprising: spaced parallel horizontal hanger bars carrying said firebox and supported by said chassis; a pair of firebox panels movably guided between said bars over said firebox; means operable by said toilet seat cover for moving said firedoor panels between a closed position over said firebox when the toilet seat cover is closed and an open position at respectively opposite sides of the firebox when the seat cover is in open position; and friction-reducing slide means carried by said cover panels and riding on said bars which serve as rails for the firedoor panels to reduce frictional resistance to the opening and closing movements of said firedoor panels.
Claim 13
Dependent Claim
27 words
An incinerator toilet according to claim 9, said firedoor panels comprising inverted generally channel-shaped metal members and fire-resistant heat insulation carried within the channels of said members.
Claim 14
Dependent Claim
61 words
An incinerator toilet according to claim 9, said means for operating said doors comprising respective shafts located above said doors and aT respectively opposite sides within said chassis, respective arms secured fixedly to said shafts and depending therefrom, respective hinge shafts carried by the outer side portions of said firedoor panels, and means hingedly connecting said arms to said hinge shafts.
Claim 15
Dependent Claim
133 words
An incinerator toilet including a housing having a firebox therein, means providing combustion flame in said firebox, and a duct extending from the front of said firebox and rearwardly therealong for products of combustion from the firebox, and comprising: a vertically extending mixing chamber; said duct opening into a lower portion of a front wall of said chamber; said chamber having an air entry opening thereinto in one side wall generally aligned with the adjacent end of said duct so that cooling atmospheric air can be drawn in fairly large volume into said mixing chamber to mix with and cool hot gasses entering from said duct; an exhaust opening in the upper portion of the opposite side wall of said chamber; and means effecting a draft from said chamber through said exhaust opening.
Claim 16
Dependent Claim
133 words
An incinerator toilet including a housing having a firebox therein, means providing combustion flame in said firebox, and a duct extending from the front of said firebox and rearwardly therealong for products of combustion from the firebox, and comprising: a vertically extending mixing chamber; said duct opening into a lower portion of a front wall of said chamber; said chamber having an air entry opening thereinto in one side wall generally aligned with the adjacent end of said duct so that cooling atmospheric air can be drawn in fairly large volume into said mixing chamber to mix with and cool hot gasses entering from said duct; an exhaust opening in the upper portion of the opposite side wall of said chamber; and means effecting a draft from said chamber through said exhaust opening.
Claim 17
Dependent Claim
52 words
An incinerator toilet according to claim 12, including an electrical control circuit for said flame-providing means, and a sail switch mounted on said chamber and provided with an air pressure-responsive member inside said chamber adjacent to said exhaust opening and movable toward said opening under suction air pressure for operating said switch.
Claim 18
Dependent Claim
58 words
An incinerator toilet according to claim 13, wherein said control circuit comprises an adjustable timing means including contacts for controlling the incineration operation of said toilet, said contacts connectible to an electrical supply and connected in series with said sail switch and said flame-providing means for providing power to said flame-providing means for a selected preset time interval.
Claim 19
Dependent Claim
59 words
An incinerator toilet according to claim 14, wherein said housing includes door means for providing access to said firebox and said control circuit further comprises switch means connected between the electrical supply and the flame-providing means, said switch means operated by said door means to permit operation of said flame-providing means only when said door means closes said housing.
Claim 20
Dependent Claim
64 words
An incinerator toilet according to claim 15, wherein said switch means includes switch contacts connected between said draft effecting means and an electrical supply for causing operation of said draft effecting means when said door means is open, and said timer includes contacts in parallel with said switch contacts for causing operation of said draft effecting means when said door means closes said housing.
Claim 21
Dependent Claim
50 words
An incinerator toilet according to claim 16, comprising a thermostat switch also connected in parallel with said switch contacts for sensing the exhaust temperature and operable to maintain said draft effecting means operating after termination of the preset time interval until the temperature sensed thereby is below a predetermined level.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-01-06 | 1978-07-08 | 1979-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-06 | 1982-07-08 | 1983-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-06 | 1986-07-08 | 1987-01-07 | $7700.00 | Window Closed / Lapsed |