Patent US2900303A successfully refreshed from Google Patents.
US2900303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seed treating composition comprising iron oxide, calcium carbonate and a water-insoluble copper salt
Assignee: Stanford Seed Co Inc
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Filing: 1957-02-06
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Granted: 1959-08-18
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Expires: 1977-02-06
Abstract
No abstract record available.
Inventors
- 👤 Mcwilliams Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:01
CPC Classifications
A; A01; A01N; A01N59/00; A01N59/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A COMPOSITION FOR COATING SEED GRAIN TO CAUSE PREDATOR BIRDS FROM CONSUMING SEED GRAIN COATED THEREWITH, COMPORISING A FINELY GROUND MXTURE PASING 200 MESH OF OXIDE OF IRON, CALCIUM CARBONATE AND A WATER-INSOLUBLE COPPER SALT, THE OXIDE OF IRON BEING FROM ABOUT 33 TO 75 PARTS BY WEIGHT OF THE COMPOSITION AND THE CALCIUM CARBONATE FROM ABOUT 66 TO 25 PARTS BY WEIGHT OF THE COMPOSITION, THE WATER INSOLUBLE COPPER SALT BEING IN THE RANGE OF 2% TO 10% BY WEIGHT OF THE TOTAL COMPOSITION.
Claim 2
Dependent Claim
85 words
A COMPOSITION FOR COATING SEED GRAIN TO CAUSE PREDATOR BIRDS FROM CONSUMING SEED GRAIN COATED THEREWITH, COMPORISING A FINELY GROUND MXTURE PASING 200 MESH OF OXIDE OF IRON, CALCIUM CARBONATE AND A WATER-INSOLUBLE COPPER SALT, THE OXIDE OF IRON BEING FROM ABOUT 33 TO 75 PARTS BY WEIGHT OF THE COMPOSITION AND THE CALCIUM CARBONATE FROM ABOUT 66 TO 25 PARTS BY WEIGHT OF THE COMPOSITION, THE WATER INSOLUBLE COPPER SALT BEING IN THE RANGE OF 2% TO 10% BY WEIGHT OF THE TOTAL COMPOSITION.
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) | 1962-08-17 | 1963-02-16 | 1963-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-17 | 1967-02-16 | 1967-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-17 | 1971-02-16 | 1971-08-18 | $7700.00 | Window Closed / Lapsed |