Patent US2768889A successfully refreshed from Google Patents.
US2768889A
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Agricultural composition
Assignee: Individual
•
Filing: 1952-02-18
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Granted: 1956-10-30
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Expires: 1972-02-18
Abstract
No abstract record available.
Inventors
- 👤 Jeremiah F Twomey
- 👤 Frank H Peto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:23
CPC Classifications
A; A01; A01N; A01N39/00; A01N39/02; A01N39/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
76 words
A COMPOSITION FOR LEAF FEEDING CROPS COMPRISING A PLANT HORMONE AND A MIXTURE OF MINOR ELEMENT COMPOUNDS, SAID COMPONDS BEING IN A FORM ASSIMLATABLE BY THE LEAVES OF PLANTS AND BEING PRESENT IN AN AMOUNT SUFFICIENT SUBSTANTIALLY TO SATISFY BY LEAF FEEDIGN DEFICIENCIES WITHIN THE PLANTS OF THE CROPS OF SAID MINOR ELEMENTS UNDER THE CONDITIONS OF ARTIFICIALLY STIMULATED GROWTH PRODUCED BY QUANTITIES OF SAID HORMONE PRODUCING A HERBICIDAL EFFECT ON WEEDS ASSOCIATED WITH SAID CROP.
References Cited (Backward Citations)
USRE23115E
Cited
GB492596A
Cited
US2218695A
Cited
US2280451A
Cited
US2350982A
Cited
US2472347A
Cited
US2390941A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-30 | 1960-04-30 | 1960-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-30 | 1964-04-30 | 1964-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-30 | 1968-04-30 | 1968-10-30 | $7700.00 | Window Closed / Lapsed |