US3628196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible chemical toilet
Assignee: Outboard Marine Corp
•
Filing: 1969-10-24
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Granted: 1971-12-21
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Expires: 1989-10-24
Abstract
Abstract Disclosed herein is a recirculating marine toilet including a bowl having a discharge outlet, a flexible container containing chemically treated fluid located to receive waste fluid from the outlet, a flexible filter screen separating the flexible container into a first compartment for waste fluid and a second compartment for filtered fluid, and a recirculating pump in the second compartment to pump the chemically treated filtered fluid from the second compartment to the bowl to flush waste through the outlet into the first compartment. A vacuum discharge port and an overboard discharge can be provided from the first compartment for removal of waste fluid from the container.
Inventors
- 👤 Ronald G Quiram
- 👤 Gaylord M Borst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:13
CPC Classifications
E; E03; E03D; E03D5/00; E03D5/016; Y; Y02; Y02A; Y02A50/00; Y02A50/30
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
26 words
A toilet according to claim 1 wherein said filter separates said container into a first compartment for flush fluid and a second compartment for filtered fluid.
Claim 2
Dependent Claim
15 words
A toilet according to claim 1 wherein said filter comprises a fine mesh plastic screen.
Claim 3
Dependent Claim
15 words
A toilet according to claim 3 wherein said screen is made from a vinyl plastic.
Claim 4
Dependent Claim
14 words
A toilet according to claim 3 including means for discharging fluid from said container.
Claim 5
Dependent Claim
67 words
A recirculating toilet comprising a toilet bowl having a discharge outlet, a flexible container depending from said bowl and adapted to contaiN a chemically treated fluid, filter means for separating said container into a first compartment communicating with said discharge outlet and a second compartment, sand means for pumping fluid from said second compartment into said bowl to flush waste from said bowl into said first compartment.
Claim 6
Dependent Claim
15 words
A toilet according to claim 6 wherein said filter means comprises a flexible filter screen.
Claim 7
Dependent Claim
16 words
A toilet in accordance with claim 1 wherein said pumping means is located in said container.
Claim 8
Dependent Claim
16 words
A toilet in accordance with claim 6 wherein said pumping means is located in said container.
Claim 9
Dependent Claim
18 words
A toilet in accordance with claim 9 wherein said pumping means is located in said container second compartment.
References Cited (Backward Citations)
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Cited
US1783640A
Cited
US2503284A
Cited
US2567830A
Cited
GB996370A
Cited
FR1485683A
Cited
US3412408A
Cited
US3418664A
Cited
US3501778A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-12-20 | 1975-06-21 | 1975-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-20 | 1979-06-21 | 1979-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-20 | 1983-06-21 | 1983-12-21 | $7700.00 | Window Closed / Lapsed |