US2946675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sawdust composts and method of preparing the same
Assignee: Wisconsin Alumni Research Foundation
•
Filing: 1954-04-21
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Granted: 1960-07-26
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Expires: 1974-04-21
Abstract
No abstract record available.
Inventors
- 👤 Charles B Davey
- 👤 Sergei A Wilde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:36
CPC Classifications
C; C05; C05B; C05B7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
THE PROCESS OF PREPARING A SAWDUST COMPOST WHICH COMPRISES REACTING SAWDUST WITH ANHYDROUS AMMONIA IN A RATIO OF ABOUT 12-18 POUNDS OF AMMONIA PER CUBIC YARD OF SAWDUST, MIXING THE RESULTING ALKALINE SAWDUST PRODUCT WITH ABOUT 1 TO 6 POUNDS OF POTASSIUM SULFATE PER CUBIC YARD OF SAWDUST, NEUTRALIZING THE SAWDUST MIXTURE WITH PHOSPHORIC ACID TO PROVIDE A SAWDUST PRODUCT WITH A PH OF ABOUT 6.1 TO 6.9, INOCULATING THE NEUTRALIZED SAWDUST PRODUCT WITH COPRINUS EPHERMERUS AND ALLOWING THE RESULTING MIXTURE TO FERMENT WHILE MAINTAINING THE SAWDUST MOIST.
Claim 2
Dependent Claim
88 words
THE PROCESS OF PREPARING A SAWDUST COMPOST WHICH COMPRISES REACTING SAWDUST WITH ANHYDROUS AMMONIA IN A RATIO OF ABOUT 12-18 POUNDS OF AMMONIA PER CUBIC YARD OF SAWDUST, MIXING THE RESULTING ALKALINE SAWDUST PRODUCT WITH ABOUT 1 TO 6 POUNDS OF POTASSIUM SULFATE PER CUBIC YARD OF SAWDUST, NEUTRALIZING THE SAWDUST MIXTURE WITH PHOSPHORIC ACID TO PROVIDE A SAWDUST PRODUCT WITH A PH OF ABOUT 6.1 TO 6.9, INOCULATING THE NEUTRALIZED SAWDUST PRODUCT WITH COPRINUS EPHERMERUS AND ALLOWING THE RESULTING MIXTURE TO FERMENT WHILE MAINTAINING THE SAWDUST MOIST.
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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) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |