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Patent US2653973A successfully refreshed from Google Patents.
US2653973A
Expired / Lapsed
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Ethylene sulfonyl fluoride and its method of preparation
Assignee: Monsanto Chemicals Ltd
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Filing: 1950-07-28
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Granted: 1953-09-29
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Expires: 1970-07-28
Abstract
No abstract record available.
Inventors
- 👤 Ross M Hedrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:14
CPC Classifications
C; C07; C07C; C07C309/00; C07C309/78; C07C309/79; C07C309/81
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
2 words
ETHYLENESULFONYL FLUORIDE.
Claim 2
Dependent Claim
2 words
ETHYLENESULFONYL FLUORIDE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |