Patent US2617722A successfully refreshed from Google Patents.
US2617722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of destroying undesired plants
Assignee: Monsanto Chemicals Ltd
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Filing: 1950-12-06
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Granted: 1952-11-11
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Expires: 1970-12-06
Abstract
No abstract record available.
Inventors
- 👤 David T Mowry
- 👤 Arthur H Schlesinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:47
CPC Classifications
A; A01; A01N; A01N37/00; A01N37/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A METHOD OF DESTROYING UNDESIRED PLANTS WHICH COMPRISES APPLYING TO SAID PLANTS A TOXIC QUANTITY OF A HERBICIDAL COMPOSITION COMPRISING, AS THE ACTIVE INGREDIENT, AN ESTER HAVING THE GENERAL FORMULA CC13C:C(COOR)2, IN WHICH R IS AN ALKYL RADICAL OF FROM 1 TO 4 CARBON ATOMS.
Claim 2
Independent Claim
45 words
A METHOD OF DESTROYING UNDESIRED PLANTS WHICH COMPRISES APPLYING TO SAID PLANTS A TOXIC QUANTITY OF A HERBICIDAL COMPOSITION COMPRISING, AS THE ACTIVE INGREDIENT, AN ESTER HAVING THE GENERAL FORMULA CC13C:C(COOR)2, IN WHICH R IS AN ALKYL RADICAL OF FROM 1 TO 4 CARBON ATOMS.
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) | 1955-11-11 | 1956-05-12 | 1956-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-11 | 1960-05-12 | 1960-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-11 | 1964-05-12 | 1964-11-11 | $7700.00 | Window Closed / Lapsed |