Patent US3030222A successfully refreshed from Google Patents.
US3030222A
Expired / Lapsed
US
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Process for manufacture of aggregate material and product obtained thereby
Assignee: American Cement Corp
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Filing: 1958-12-02
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Granted: 1962-04-17
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Expires: 1978-12-02
Abstract
No abstract record available.
Inventors
- 👤 Adelbert C Eichenlaub
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:11
CPC Classifications
C; C04; C04B; C04B18/00; C04B18/04; C04B18/06; C04B18/08; C04B18/085; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A PLATIC PELLETIZABLE AND BURNABLE MIXTURE CONSISTING ESSENTIALLY OF FLY ASH AND SEWAGE SLUDGE CAKE IN THE RATIO OF FROM 1;1 TO 3:1 PARTS BY WEIGHT RESPECTIVELY SAID SEWAGE SLUDGE SLUDGE CAKE HAVING A SOILDS CONTENT OF OF N-ABIETY MONAMIDE OF ABIETIC ACID DIMER, N-ABIETYL WATER; SAID MIXTURE HAVING A TOTAL WATER CONTENT OF FROM 25 TO 40% BY WEIGHT.
Claim 2
Dependent Claim
60 words
A PLATIC PELLETIZABLE AND BURNABLE MIXTURE CONSISTING ESSENTIALLY OF FLY ASH AND SEWAGE SLUDGE CAKE IN THE RATIO OF FROM 1;1 TO 3:1 PARTS BY WEIGHT RESPECTIVELY SAID SEWAGE SLUDGE SLUDGE CAKE HAVING A SOILDS CONTENT OF OF N-ABIETY MONAMIDE OF ABIETIC ACID DIMER, N-ABIETYL WATER; SAID MIXTURE HAVING A TOTAL WATER CONTENT OF FROM 25 TO 40% BY WEIGHT.
References Cited (Backward Citations)
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Cited
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US2544752A
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US2691598A
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US2729570A
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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) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |