US3830838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ethanesulfinamides
Assignee: Shell USA Inc
•
Filing: 1972-05-15
•
Granted: 1974-08-20
•
Expires: 1992-05-15
Abstract
Abstract CERTAIN NOVEL BETA SUBSTITUTED ETHANESULFINAMIDES ARE DESCRIBED, WITH THEIR PREPARATION AND USE AS PLANT GROWTH REGULATORS.
Inventors
- 👤 E Jackson
- 👤 W Kollmeyer
- 👤 K Pilgram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:00
CPC Classifications
C; C07; C07C; C07C313/00
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) | 1977-08-19 | 1978-02-18 | 1978-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-19 | 1982-02-18 | 1982-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-19 | 1986-02-18 | 1986-08-20 | $7700.00 | Window Closed / Lapsed |