Patent US3639633A successfully refreshed from Google Patents.
US3639633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted o-carbamylhydroxamate pesticides
Assignee: EIDP Inc
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Filing: 1970-04-27
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Granted: 1972-02-01
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Expires: 1990-04-27
Abstract
Abstract SUBSTITUTED O-CARBAMLHYDROXAMATES SUCH AS METHYL O-(METHYLCARBAMYL)THIOLACETOHYDROXAMATE ARE USEFUL IN CONTROLLING A VARIETY OF PESTS.
Inventors
- 👤 James B Buchanan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:47
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/08; A01N47/10; A01N47/22; A01N47/24
Claims Analysis
Total Claims: 0
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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) | 1975-01-31 | 1975-08-02 | 1976-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-31 | 1979-08-02 | 1980-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-31 | 1983-08-02 | 1984-02-01 | $7700.00 | Window Closed / Lapsed |