US3604179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refuse disposal system
Assignee: Individual
•
Filing: 1968-11-25
•
Granted: 1971-09-14
•
Expires: 1988-11-25
Abstract
Abstract A refuse disposal method for disposing of garbage, trash, and similar refuse in which the refuse is ground to reduce its volume, irradiated and compacted, and may include steps for utilizing part or all of the components of the refuse.
Inventors
- 👤 Norman S Lund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:08
CPC Classifications
A; A61; A61L; A61L11/00; B; B03; B03B; B03B9/00; B03B9/06; B09; B09B; B09B3/00; B09B3/30; B09B3/32; C; C05; C05F; C05F9/00; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/20; Y10; Y10S; Y10S4/00; Y10S4/09
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
121 words
A refuse disposal method for the safe disposal of garbage, trash, and the like, comprising the steps of: a. grinding said refuse for breaking said refuse into smaller components; b. adding liquid to said ground refuse; c. separating predetermined materials from said ground refuse; d. mixing said ground refuse having portions removed therefrom with said liquid to form a slurry; e. irradiating said slurry with gamma radiation; f. centrifuging said slurry to remove liquid therefrom; g. feeding back said liquid removed by centrifuging to add to said ground refuse as a portion of the liquid added thereto in step (b); and h. compacting and packaging said irradiated refuse having liquid removed therefrom, whereby said refuse is reduced to a usable form.
Claim 2
Dependent Claim
121 words
A refuse disposal method for the safe disposal of garbage, trash, and the like, comprising the steps of: a. grinding said refuse for breaking said refuse into smaller components; b. adding liquid to said ground refuse; c. separating predetermined materials from said ground refuse; d. mixing said ground refuse having portions removed therefrom with said liquid to form a slurry; e. irradiating said slurry with gamma radiation; f. centrifuging said slurry to remove liquid therefrom; g. feeding back said liquid removed by centrifuging to add to said ground refuse as a portion of the liquid added thereto in step (b); and h. compacting and packaging said irradiated refuse having liquid removed therefrom, whereby said refuse is reduced to a usable form.
Claim 3
Dependent Claim
25 words
The process according to claim 1 in which the steps of separating predetermined materials from said ground refuse includes separating metallic materials from said refuse.
Claim 4
Dependent Claim
15 words
The method according to claim 1 but including separating denser materials from said ground refuse.
Claim 5
Dependent Claim
14 words
The method according to claim 1 but including cutting and packaging said irradiated refuse.
Claim 6
Dependent Claim
19 words
The method according to claim 1 but including the step of ozonizing said refuse prior to irradiating said slurry.
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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) | 1974-09-13 | 1975-03-15 | 1975-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-13 | 1979-03-15 | 1979-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-13 | 1983-03-15 | 1983-09-14 | $7700.00 | Window Closed / Lapsed |