US2969279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of decomposing and stabilizing refuse
Assignee: Naturizer Co
•
Filing: 1956-08-01
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Granted: 1961-01-24
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Expires: 1976-08-01
Abstract
No abstract record available.
Inventors
- 👤 Norman A Pierson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:04
CPC Classifications
C; C05; C05F; C05F17/00; C05F17/90; C05F17/95; C05F17/955; C05F17/20; Y; Y02; Y02P; Y02P20/00; Y02P20/141; Y02P20/145; Y02W; Y02W30/00; Y02W30/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
278 words
A METHOD OF DECOMPOSING RO A SOIL NUTRIENT MUNICIPAL REFUSE HAVING A MOISTURE CONTENT OF FROM ABOUT 18 T 25 PERCENT, COMPRISING THE STEPS OF: (A) ADDING WATER TO ADJUST THE MOISTURE CONTENT OF SAID REFUSE TO BETWEEN 50 AND 70 PERCENT, (B) INOCULATING EACH TON OF SAID REFUSE WITH AT LEAST HAVING AN AEROBIC THEMOPHILIC BACTERIAL COUNT OF AT LEAST 1,300,000,000 AND PENETRATED WITH A. FUMIGATUS MOLD TO AN EXTENT THAT SAID FILTER MATERIAL ID BLUE-GREY IN COLOR, (C) GRINDING THE REFUSE TO PARTICLES RANGING IN SIZE BETWEEN 2 INCHES AND 1/8 INCH, WITH NOT MORE THAN ABOUT 15 PERCENT OF PARTICLES BEING BELOW 11/2 INCHES IN SIZE, (D) FEEDING THE GROUND REFUGE TO THE UPPERMOST OF A SERIES OF VERTICALLY SUPERIMPOSED DIGESTION CELLS, SAID REFUSE BEING SUPPORTED IN SAID UPPERMOST CELL AT A DEPTH OF NOT MORE THAN ABOUT 28 INCHES, (E) EXPOSING EACJ SIDE OF EACH OF SAID CELLS TO NATURAL AIR CIRCULATION FOR INCLUDING ACEOBIC BACTERIAL ACTION AND MOLD GROWTH IN SAID REFUSE, (F) SICCSEEIVELY MOVING SAID REFUSE DOWNWARDLY TO THE NEXT LOWER CELL OF SAID SERIES EACH 25 HOURS WHILE TURNING AND BREAKING-UO THE PARTIALLY COMPOSTED REFUSE EACH TIME THE REFUSE IS MOVED DOWNWARDLY, (G) RETAINING SAID REFUSE IN SAID SERIES OF CELL UNTIL THE TEMPERATURE OF SAID REFUSE EXCEEDS THE TEMPERATURE OF PASTEURIZATION, THEN (H) REGRINDING THE PARTIALLY DECOMPOSED REFUSE TO A SMALLER PARTICLE SIZE THAN THE PARTICLE SIZE THEREOF AT THE END OF THE INITIAL GRINDING STEP TO EXPOSE UNTREATED PORTIONS OF SAID REFUSE, THEN (I) ALLOWING FUTHER BACTERAL ACTION IN SAID REFUSE UNTIL THE TEMPERATURE AGAIN EXCEEDS THE TEMPERATURE OF PASTEURIZATION AND SAID REFUSE IS DECOMPOSED TO A SOIL NUTRIENT.
Claim 2
Independent Claim
278 words
A METHOD OF DECOMPOSING RO A SOIL NUTRIENT MUNICIPAL REFUSE HAVING A MOISTURE CONTENT OF FROM ABOUT 18 T 25 PERCENT, COMPRISING THE STEPS OF: (A) ADDING WATER TO ADJUST THE MOISTURE CONTENT OF SAID REFUSE TO BETWEEN 50 AND 70 PERCENT, (B) INOCULATING EACH TON OF SAID REFUSE WITH AT LEAST HAVING AN AEROBIC THEMOPHILIC BACTERIAL COUNT OF AT LEAST 1,300,000,000 AND PENETRATED WITH A. FUMIGATUS MOLD TO AN EXTENT THAT SAID FILTER MATERIAL ID BLUE-GREY IN COLOR, (C) GRINDING THE REFUSE TO PARTICLES RANGING IN SIZE BETWEEN 2 INCHES AND 1/8 INCH, WITH NOT MORE THAN ABOUT 15 PERCENT OF PARTICLES BEING BELOW 11/2 INCHES IN SIZE, (D) FEEDING THE GROUND REFUGE TO THE UPPERMOST OF A SERIES OF VERTICALLY SUPERIMPOSED DIGESTION CELLS, SAID REFUSE BEING SUPPORTED IN SAID UPPERMOST CELL AT A DEPTH OF NOT MORE THAN ABOUT 28 INCHES, (E) EXPOSING EACJ SIDE OF EACH OF SAID CELLS TO NATURAL AIR CIRCULATION FOR INCLUDING ACEOBIC BACTERIAL ACTION AND MOLD GROWTH IN SAID REFUSE, (F) SICCSEEIVELY MOVING SAID REFUSE DOWNWARDLY TO THE NEXT LOWER CELL OF SAID SERIES EACH 25 HOURS WHILE TURNING AND BREAKING-UO THE PARTIALLY COMPOSTED REFUSE EACH TIME THE REFUSE IS MOVED DOWNWARDLY, (G) RETAINING SAID REFUSE IN SAID SERIES OF CELL UNTIL THE TEMPERATURE OF SAID REFUSE EXCEEDS THE TEMPERATURE OF PASTEURIZATION, THEN (H) REGRINDING THE PARTIALLY DECOMPOSED REFUSE TO A SMALLER PARTICLE SIZE THAN THE PARTICLE SIZE THEREOF AT THE END OF THE INITIAL GRINDING STEP TO EXPOSE UNTREATED PORTIONS OF SAID REFUSE, THEN (I) ALLOWING FUTHER BACTERAL ACTION IN SAID REFUSE UNTIL THE TEMPERATURE AGAIN EXCEEDS THE TEMPERATURE OF PASTEURIZATION AND SAID REFUSE IS DECOMPOSED TO A SOIL NUTRIENT.
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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) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |