Patent US3331676A successfully refreshed from Google Patents.
US3331676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing fertilizer and agricultural stock feed from manure
Assignee: Hydraulic Developments Ltd
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Filing: 1964-03-02
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Granted: 1967-07-18
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Expires: 1984-03-02
Abstract
No abstract record available.
Inventors
- 👤 Roblin Mervyn Gwilym Glyn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:05
CPC Classifications
A; A01; A01C; A01C3/00; C; C05; C05F; C05F3/00; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/20; Y02E; Y02E50/00; Y02E50/30; Y02P; Y02P20/00; Y02P20/141; Y02P20/145; Y02W; Y02W30/00; Y02W30/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A PROCESS FOR THE TREATMENT OF EXCREMENT, WHICH INCLUDES THE STEPS OF SPREADING OUT SAID EXCREMENT IN A RELATIVELY THIN LAYER, APPLYING SUFFICIENT HEAT TO SAID EXCREMENT TO THEREBY DRY RAPIDLY ITS SURFACES TO FORM A PHOSPHATE CRUST ENCLOSING WETTER EXCREMENT, DURING HEATING STIRRING EXCREMENT TO BREAK SAID CRUST AND TO THOROUGHLY MIX THE BROKEN CRUST WITH THE SAID WETTER EXCREMENT, THEREAFTER INTERMITTENTLY STIRRING SAID EXCREMENT WHENEVER A CRUST HAS BEEN REFORMED ON THE EXCREMENT, CONTINUING SAID HEATING AND SAID INTERMITTENT STIRRING UNTIL THE EXCREMENT IS IN THE FORM OF A GRANULAR MATERIAL CONTAINING LESS THAN 15% MOISTURE BY WEIGHT, AND RECOVERING THE GRANULAR MATERIAL.
Claim 2
Dependent Claim
105 words
A PROCESS FOR THE TREATMENT OF EXCREMENT, WHICH INCLUDES THE STEPS OF SPREADING OUT SAID EXCREMENT IN A RELATIVELY THIN LAYER, APPLYING SUFFICIENT HEAT TO SAID EXCREMENT TO THEREBY DRY RAPIDLY ITS SURFACES TO FORM A PHOSPHATE CRUST ENCLOSING WETTER EXCREMENT, DURING HEATING STIRRING EXCREMENT TO BREAK SAID CRUST AND TO THOROUGHLY MIX THE BROKEN CRUST WITH THE SAID WETTER EXCREMENT, THEREAFTER INTERMITTENTLY STIRRING SAID EXCREMENT WHENEVER A CRUST HAS BEEN REFORMED ON THE EXCREMENT, CONTINUING SAID HEATING AND SAID INTERMITTENT STIRRING UNTIL THE EXCREMENT IS IN THE FORM OF A GRANULAR MATERIAL CONTAINING LESS THAN 15% MOISTURE BY WEIGHT, AND RECOVERING THE GRANULAR MATERIAL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |