US3782299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for rendering refuse deposits, industrial waste and the like, harmless
Assignee: Individual
•
Filing: 1972-05-11
•
Granted: 1974-01-01
•
Expires: 1992-05-11
Abstract
Abstract Refuse deposits and industrial wastes are rendered harmless by at least partially encasing them in a foam material. The refuse deposits and industrial wastes may also be permeated with the foam material. After encasement the coated deposits may be burnt.
Inventors
- 👤 H Egger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:12
CPC Classifications
A; A61; A61L; A61L11/00; B; B09; B09B; B09B1/00; B09B1/004; F; F23; F23G; F23G5/00; F23G5/02; Y; Y02; Y02W; Y02W30/00; Y02W30/30
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
20 words
A method as claimed in claim 1, wherein the refuse deposit or industrial waste is permeated with the foam material.
Claim 2
Dependent Claim
43 words
A method according to claim 1, wherein the refuse or other waste materials are deposited on a piece of ground which has been previously coated with foam material, and the surface of the refuse or waste is then coated with the foam material.
Claim 3
Dependent Claim
26 words
A method according to claim 1, wherein a further covering in the form of a foil or film, is applied before coating with the foam material.
Claim 4
Dependent Claim
20 words
A method according to claim 1, wherein the refuse deposit or industrial waste, coated with foam material, is burned away.
Claim 5
Dependent Claim
22 words
A method according to claim 5, wherein an agent that gives off oxygen is included in the foam material during its manufacture.
Claim 6
Dependent Claim
27 words
A method according to claim 1, wherein the waste is at least partially encased by depositing a coating of foam material on the surface of the waste.
References Cited (Backward Citations)
US1985491A
Cited
US2375868A
Cited
DE1035573B
Cited
US3518952A
Cited
US3524417A
Cited
US3610180A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |