US2999336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of coated seeds
Assignee: CIE NORD AFRICAINE de l HYPERP
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Filing: 1959-07-23
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Granted: 1961-09-12
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Expires: 1979-07-23
Abstract
No abstract record available.
Inventors
- 👤 Cescas Jean-Baptiste
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:46
CPC Classifications
A; A01; A01C; A01C1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A METHOD OF PREPARATION OF SEEDS PROVIDED WITH A COATING OF FERTILIZER MATERIAL COMPRISING THE STEPS OF INTRODUCING SEEDS TO BE COATED INTO A GRANULATING DEVICE, APPLYING LIQUID IN A FINE SPRAY TO SAID SEEDS TO MOISTEN THE SURFACE THEREOF, ADDING FERTILIZER MATERIAL IN A FINE POWDERED FORM TO THE MOISTENED SEEDS FOR COATING THE MOISTENED SURFACE OF SAID SEEDS WITH SAID FERTILIZER MATERIAL IN A PROPORTION OF THREE TO SEVEN TIMES THE WEIGHT OF SAID SEEDS, AND FURTHER TREATING THE COATED SEEDS WITH CONCENTRATED SULPHURIC ACID WHICH IS FROM 3 TO 5% OF THE
Claim 2
Independent Claim
95 words
A METHOD OF PREPARATION OF SEEDS PROVIDED WITH A COATING OF FERTILIZER MATERIAL COMPRISING THE STEPS OF INTRODUCING SEEDS TO BE COATED INTO A GRANULATING DEVICE, APPLYING LIQUID IN A FINE SPRAY TO SAID SEEDS TO MOISTEN THE SURFACE THEREOF, ADDING FERTILIZER MATERIAL IN A FINE POWDERED FORM TO THE MOISTENED SEEDS FOR COATING THE MOISTENED SURFACE OF SAID SEEDS WITH SAID FERTILIZER MATERIAL IN A PROPORTION OF THREE TO SEVEN TIMES THE WEIGHT OF SAID SEEDS, AND FURTHER TREATING THE COATED SEEDS WITH CONCENTRATED SULPHURIC ACID WHICH IS FROM 3 TO 5% OF THE
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) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |