US3645893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating animal waste
Assignee: Individual
•
Filing: 1969-08-19
•
Granted: 1972-02-29
•
Expires: 1989-08-19
Abstract
Abstract THE INVENTION RELATES TO A METHOD OF TREATING WASTE FROM ANIMAL EXCRETA IN THE FORM OF MANURIAL LIQUIDS BY PRECIPITATING OR FLOCCULATING THE QUID AND SOLID CONSTITUENTS AND THEREAFTER SEPARATED.
Inventors
- 👤 Ernst Rohrer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:03
CPC Classifications
C; C05; C05F; C05F3/00; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/20; Y02P; Y02P20/00; Y02P20/141; Y02P20/145
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-02-28 | 1975-08-30 | 1976-02-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-28 | 1979-08-30 | 1980-02-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-28 | 1983-08-30 | 1984-02-29 | $7700.00 | Window Closed / Lapsed |