US3544580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certain acyl derivatives of oxo- and oxyisothiazoles
Assignee: Rohm and Haas Co
•
Filing: 1967-06-21
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Granted: 1970-12-01
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Expires: 1987-06-21
Abstract
No abstract record available.
Inventors
- 👤 Sheldon N Lewis
- 👤 George A Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:00
CPC Classifications
C; C07; C07D; C07D275/00; C07D275/02; C07D275/03; A; A01; A01N; A01N43/00; A01N43/72; A01N43/80; A01N57/00; A01N57/10; A01N57/16; C07F; C07F7/00; C07F7/22; C07F7/2224; C07F9/00; C07F9/02; C07F9/547; C07F9/6536; C07F9/6539
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3072669A
Cited
US3159645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |