Patent US2132071A successfully refreshed from Google Patents.
Patent US3825555A successfully refreshed from Google Patents.
US3825555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3-substituted 4-alkanoyl oxazaspiro insect repellents
Assignee: SC Johnson and Son Inc
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Filing: 1972-05-22
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Granted: 1974-07-23
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Expires: 1992-05-22
Abstract
Abstract A COMPOUND OF THE FORMULA 2-R1,2-R2,3-R3,4-R4,4-R5-OXAZOLIDINE WHEREIN R1 AND R2 TAKEN TOGETHER ARE ALKYLENE HAVING FROM FOUR TO SIX CARBON ATOMS, R3 IS AN AKANOYL, R4 IS AN ALKYL GROUP HAVING LESS THAN FOUR CARBON ATOMS, AND R5 IS HYDROGEN OR AN ALKYL GROUP HAVING LESS THAN FOUR CARBON ATOMS.
Inventors
- 👤 T Lajiness
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:27
CPC Classifications
C; C07; C07D; C07D263/00; C07D263/52; A; A01; A01N; A01N43/00; A01N43/90
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) | 1977-07-22 | 1978-01-21 | 1978-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-22 | 1982-01-21 | 1982-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-22 | 1986-01-21 | 1986-07-23 | $7700.00 | Window Closed / Lapsed |