Patent US3705794A successfully refreshed from Google Patents.
US3705794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foamed fertilizers and combination products
Assignee: OM Scott and Sons Co
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Filing: 1969-08-15
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Granted: 1972-12-12
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Expires: 1989-08-15
Abstract
Abstract PARTICULATE FOAMED FERTILIZERS AND COMBINATION PRODUCTS IN WHICH OTHER ACTIVE INGREDIENTS ARE COMBINED WITH SUCH FERTILIZERS. METHODS AND APPARATUS FOR MAKING FOAMED FERTILIZERS AND COMBINATION PRODUCTS IN WHICH PROVISION IS MADE FOR COMBINING INGREDIENTS, CURING, DRYING, AND COMMIUTING THE MATERIAL THUS OBTAINED, SEPARATING AND AGGLOMERATING FINES AND ADDING THEM TO THE COMMINUTED PRODUCT, AND INCORPORATING ACTIVE INGREDIENTS INTO THE COMMINUTED PRODUCT.
Inventors
- 👤 Richard H Czurak
- 👤 Robert M Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:35
CPC Classifications
C; C05; C05C; C05C9/00; C05C9/005; Y; Y10; Y10S; Y10S71/00; Y10S71/90
Claims Analysis
Total Claims: 0
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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) | 1975-12-12 | 1976-06-12 | 1976-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-12 | 1980-06-12 | 1980-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-12 | 1984-06-12 | 1984-12-12 | $7700.00 | Window Closed / Lapsed |