Patent US3749736A successfully refreshed from Google Patents.
US3749736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
5-ethers of 1,3-benzoxathiol-2-one
Assignee: Zoecon Corp
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Filing: 1971-03-24
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Granted: 1973-07-31
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Expires: 1991-03-24
Abstract
Abstract NOVEL 5-SUBSTITUTED-1,3-BENZOXATHIOL-2-ONE COMPOUNDS PREPARED BY THE ALKYLATION OF 5-HYDROXY-1,3-BENZOXATHIOL2-ONE USEFUL FOR CONTROL OF INSECTS.
Inventors
- 👤 J Diekman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:32
CPC Classifications
C; C07; C07C; C07C43/00; C07C43/02; C07C43/03; C07C43/04; C07C43/13; C07C45/00; C07C45/56; C07C45/57; C07C45/59
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) | 1976-07-30 | 1977-01-29 | 1977-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-30 | 1981-01-29 | 1981-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-30 | 1985-01-29 | 1985-07-31 | $7700.00 | Window Closed / Lapsed |