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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
•
Filing: 1957-02-06
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Granted: 1959-08-18
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Expires: 1977-02-06
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Abstract

No abstract record available.

Inventors

  • 👤 Mcwilliams Ernest

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 16:33
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)

US424843A Cited
US1783200A Cited
US631738A Cited
GB593435A Cited
US2676132A Cited

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

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