US2988440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of defoliating plants
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1958-09-02
•
Granted: 1961-06-13
•
Expires: 1978-09-02
Abstract
No abstract record available.
Inventors
- 👤 Jeffrey H Bartlett
- 👤 Kirshenbaum Isidor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 22:50
CPC Classifications
A; A01; A01N; A01N39/00; A01N39/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A METHOD OF DEFOLIATING A PLANT WHICH COMPRISES APPLYING TO SAID PLANT A NON-PHYTOTOXIC LIQUID SPRAY MATERIAL HAVING INCORPORATED THEREIN A DEFOLIATING AMOUNT OF A TRI-ALKYL ACETIC ACID HAVING FROM 8 TO 13 CARBON ATOMS, SAID AMOUNT BEING INSUFFICIENT TO CAUSE APPRECIABLE STEM DAMAGE TO SAID PLANT.
Claim 2
Independent Claim
47 words
A METHOD OF DEFOLIATING A PLANT WHICH COMPRISES APPLYING TO SAID PLANT A NON-PHYTOTOXIC LIQUID SPRAY MATERIAL HAVING INCORPORATED THEREIN A DEFOLIATING AMOUNT OF A TRI-ALKYL ACETIC ACID HAVING FROM 8 TO 13 CARBON ATOMS, SAID AMOUNT BEING INSUFFICIENT TO CAUSE APPRECIABLE STEM DAMAGE TO SAID PLANT.
References Cited (Backward Citations)
US2557997A
Cited
US2649364A
Cited
US2657125A
Cited
US2586681A
Cited
US2575282A
Cited
US2668758A
Cited
US2876241A
Cited
US2931877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |