Patent US5991931A successfully refreshed from Google Patents.
US5991931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waste system for toilets
Assignee: Individual
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Filing: 1996-07-26
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Granted: 1999-11-30
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Expires: 2016-07-26
Abstract
Abstract A process and apparatus to implement the process for the disposal of toilet waste in a relatively small space with low input energy. The process to include the following operations: separating the liquid portion from the solid portion of the toilet waste, disposing of the liquid portion of the waste by drainage, forming a mixture by combining the solid portion of the waste with a quantity of flammable material having structural properties that retain air passages within the mixture, storing the mixture in a chamber, and burning the mixture within the chamber.
Inventors
- 👤 Robert D. Hawkins
- 👤 James A. Hawkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:42
CPC Classifications
A; A47; A47K; A47K11/00; A47K11/02; A47K11/023; Y; Y02; Y02A; Y02A50/00; Y02A50/30
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
80 words
A process for disposal of toilet waste having a liquid portion and a solid portion, the process to include the following operations: separating the liquid portion from the solid portion of the waste, disposing of the liquid portion of the waste by drainage, forming a mixture by combining the solid portion with a quantity of flammable material with structural properties that retain air passages within the mixture, storing the mixture in a chamber, and burning the mixture within the chamber.
Claim 2
Dependent Claim
80 words
A process for disposal of toilet waste having a liquid portion and a solid portion, the process to include the following operations: separating the liquid portion from the solid portion of the waste, disposing of the liquid portion of the waste by drainage, forming a mixture by combining the solid portion with a quantity of flammable material with structural properties that retain air passages within the mixture, storing the mixture in a chamber, and burning the mixture within the chamber.
Claim 3
Dependent Claim
52 words
A process for disposal of toilet waste according to claim 1 wherein the flammable material is in the form of a sheet material wrapper which partly surrounds the toilet waste, the wrapper having an opening through which the liquid portion of the waste can drain away while the solid portion is retained.
Claim 4
Dependent Claim
111 words
Apparatus for disposal of toilet waste to implement the process of claims 1 or 2 comprising; combustible sheet material capable of being formed into a container for holding toilet waste, a storage unit having an upper chamber and a lower chamber divided by a wall, the wall having perforations through which the liquid waste can drain into the lower chamber while the solid waste is retained in the upper chamber, an opening in the upper chamber adapted to receive the toilet waste, transporting means to move the sheet material containing toilet waste through the opening into the upper chamber and means for draining the liquid waste out of the lower chamber.
Claim 5
Dependent Claim
31 words
Apparatus for disposal of toilet waste according to claim 3 wherein the storage unit is adapted by means of vents for the combustion of the solid waste within the upper chamber.
Claim 6
Dependent Claim
32 words
Apparatus for disposal of toilet waste according to claim 3 wherein the storage unit is formed from combustible material and has means for detaching from the transporting apparatus for disposal by burning.
Claim 7
Dependent Claim
38 words
Apparatus for disposal of toilet waste according to claim 3 wherein there is provided a cutter to slit the sheet material to assist the liquid waste to drain out of the the container formed by the sheet material.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2002-11-29 | 2003-05-31 | 2003-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-11-29 | 2007-05-31 | 2007-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-11-29 | 2011-05-31 | 2011-11-30 | $7700.00 | Window Closed / Lapsed |