US3069253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkenyl pyridinium quaternary compounds as defoliants
Assignee: Union Carbide Corp
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Filing: 1961-04-11
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Granted: 1962-12-18
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Expires: 1981-04-11
Abstract
No abstract record available.
Inventors
- 👤 Anthony A Sousa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:02
CPC Classifications
A; A01; A01N; A01N43/00; A01N43/34; A01N43/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
THE METHOD FOR DEFOLIATING PLANTS WHICH COMPRISES APPLYING TO THE PLANTS A DEFOLIATINGLY EFFECTIVE AMOUNT OF A COMPOUND HAVING THE GENERAL FORMULA:
Claim 2
Independent Claim
22 words
THE METHOD FOR DEFOLIATING PLANTS WHICH COMPRISES APPLYING TO THE PLANTS A DEFOLIATINGLY EFFECTIVE AMOUNT OF A COMPOUND HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
US2734815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |