Patent US2668758A successfully refreshed from Google Patents.
US2668758A
Expired / Lapsed
US
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Defoliant compositions
Assignee: Monsanto Chemicals Ltd
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Filing: 1952-07-03
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Granted: 1954-02-09
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Expires: 1972-07-03
Abstract
No abstract record available.
Inventors
- 👤 Elizabeth S Roos
- 👤 Philip C Hamm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:15
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/08; A01N47/28
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
23 words
A PLANT DEFOLIANT COMPOSITION WHICH COMPRISES, AS THE ESSENTIAL ACTIVE INGREDIENT, FROM 0.01% TO 10% BY WEIGHT OF A COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-08 | 1957-08-10 | 1958-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-08 | 1961-08-10 | 1962-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-08 | 1965-08-10 | 1966-02-09 | $7700.00 | Window Closed / Lapsed |