Patent US3736111A successfully refreshed from Google Patents.
US3736111A
Expired / Lapsed
US
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Process and apparatus for the complete reclamation of valuable products from solid waste
Assignee: Hercules LLC
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Filing: 1971-05-17
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Granted: 1973-05-29
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Expires: 1991-05-17
Abstract
Abstract A PROCESS FOR RECOVERY OF VALUABLE PRODUCTS ROM DOMESTIC REFUSE IS PROVIDED. DOMESTIC REFUSE IS SUBJECTED TO AEROBIC DIGESTION. A CRUDE HUMUS PRODUCT CONTAINING NONDIGESTIBLE MATERIALS IS RECOVERED. THE CRUDE HUMUS IS SEPARATED INTO A HUMUS PRODUCT AND NON-DIGESTIBLE MATERIALS. THE NON-DIGESTIBLE MATERIALS ARE PYROLYZED TO PRODUCE VALUABLE OILS AND GASES. INDUSTRIAL REFUSE CAN BE PYROLYZED WITH THE NON-DIGESTIBLE MATERIAL DERIVED FROM DOMESTIC REFUSE.
Inventors
- 👤 W H Gardner
- 👤 D H Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:51
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/30; B; B03; B03B; B03B9/00; B03B9/06; C; C05; C05F; C05F9/00; C05F9/02; C10; C10B; C10B53/00; F23G5/02; F23G5/027; F23G5/0276; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/20; Y02W; Y02W30/00; Y02W30/50; Y02W30/52; Y10; Y10S; Y10S241/00; Y10S241/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-28 | 1976-11-27 | 1977-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-28 | 1980-11-27 | 1981-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-28 | 1984-11-27 | 1985-05-29 | $7700.00 | Window Closed / Lapsed |