Patent US2843471A successfully refreshed from Google Patents.
US2843471A
Expired / Lapsed
US
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Herbicidal compositions of controlled water solubility
Assignee: Armour and Co
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Filing: 1953-07-23
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Granted: 1958-07-15
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Expires: 1973-07-23
Abstract
No abstract record available.
Inventors
- 👤 Fischer Elias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:28
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
AN HERBICIDAL COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim
6 words
AN HERBICIDAL COMPOUND HAVING THE FORMULA:
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) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |