US3264089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slow release fertilizer granule having a plurality of urethane resin coatings
Assignee: Archer Daniels Midland Co
•
Filing: 1965-12-10
•
Granted: 1966-08-02
•
Expires: 1985-12-10
Abstract
No abstract record available.
Inventors
- 👤 Louis I Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:06
CPC Classifications
C; C05; C05G; C05G5/00; C05G5/30; C05G5/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A COATED FERTILIZER COMPRISING: (A) A CORE OF GRANULAR FERTILIZER CONTAINING AT LEAST ONE WATER-SOLUBLE PLANT NUTRIENT; (B) A PLURALITY OF CURED COATINGS OF URETHANE RESIN SURROUNDING SAID CORE; AND (C) THE TOTAL WEIGHT OF COATINGS BEING FROM 2 TO 20% BASED ON THE WEIGHT OF THE CORE.
Claim 2
Dependent Claim
48 words
A COATED FERTILIZER COMPRISING: (A) A CORE OF GRANULAR FERTILIZER CONTAINING AT LEAST ONE WATER-SOLUBLE PLANT NUTRIENT; (B) A PLURALITY OF CURED COATINGS OF URETHANE RESIN SURROUNDING SAID CORE; AND (C) THE TOTAL WEIGHT OF COATINGS BEING FROM 2 TO 20% BASED ON THE WEIGHT OF THE CORE.
References Cited (Backward Citations)
US1648861A
Cited
US2155499A
Cited
US2399387A
Cited
US2502996A
Cited
US3014783A
Cited
US3158462A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |