US3304894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waste processing method and apparatus
Assignee: SUI GENERLS PROCESS Inc
•
Filing: 1963-10-16
•
Granted: 1967-02-21
•
Expires: 1983-10-16
Abstract
No abstract record available.
Inventors
- 👤 Arthur S Cox
- 👤 Frederick G Mcmullen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:10
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/02; Y; Y10; Y10S; Y10S241/00; Y10S241/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
IN A SYSTEM FOR PROCESSING WASTE AND SEWAGE INTO FUEL, AN ATTRITION MILL FOR REDUCING WASTE TO A SIZE HAVING A MAXIMUM DIMENSION OF ONE-HALF INCH, A CENTRIFUGAL MILL, MEANS FOR CONVEYING THE ATTRITIONED WASTE INTO THE CENTRIFUGAL MILL, MEANS WITHIN THE CENTRIFUGAL MILL FOR MIXING THE WASTE AND SEWAGE TO MIXTURE, MEANS FOR EXTRACTING LIQUID FROM SAID MIXTURE TO CONVERT SAID MIXTURE INTO A CONDITION RESEMBLING SEMI-DRIED PAPER PULP, AND MEANS FOR DRYING SAID MIXTURE AFTER THE LIQUID HAS BEEN EXTRACTED.
Claim 2
Dependent Claim
82 words
IN A SYSTEM FOR PROCESSING WASTE AND SEWAGE INTO FUEL, AN ATTRITION MILL FOR REDUCING WASTE TO A SIZE HAVING A MAXIMUM DIMENSION OF ONE-HALF INCH, A CENTRIFUGAL MILL, MEANS FOR CONVEYING THE ATTRITIONED WASTE INTO THE CENTRIFUGAL MILL, MEANS WITHIN THE CENTRIFUGAL MILL FOR MIXING THE WASTE AND SEWAGE TO MIXTURE, MEANS FOR EXTRACTING LIQUID FROM SAID MIXTURE TO CONVERT SAID MIXTURE INTO A CONDITION RESEMBLING SEMI-DRIED PAPER PULP, AND MEANS FOR DRYING SAID MIXTURE AFTER THE LIQUID HAS BEEN EXTRACTED.
References Cited (Backward Citations)
US1695272A
Cited
US1809819A
Cited
US2213668A
Cited
US2150735A
Cited
US2446772A
Cited
US2450583A
Cited
US3109392A
Cited
US3159353A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |