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Patent US2550049A successfully refreshed from Google Patents.
US2550049A
Expired / Lapsed
US
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Herbicidal formulations
Assignee: Monsanto Chemicals Ltd
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Filing: 1950-01-03
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Granted: 1951-04-24
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Expires: 1970-01-03
Abstract
No abstract record available.
Inventors
- 👤 Charles M Eaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:17
CPC Classifications
A; A01; A01N; A01N37/00; A01N37/02; C; C07; C07C; C07C69/00; C07C69/62; C07C69/63
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
AN IMPROVED HERBICIDAL COMPOSITION COMPRISING AN OIL, AN EMULSIFYING AGENT, AND AN ALKYL TRICHLOROACETATE HAVING THE FORMULA
Claim 2
Dependent Claim
17 words
AN IMPROVED HERBICIDAL COMPOSITION COMPRISING AN OIL, AN EMULSIFYING AGENT, AND AN ALKYL TRICHLOROACETATE HAVING THE FORMULA
References Cited (Backward Citations)
US2393086A
Cited
US2396513A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |