US2276097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aliphatic sulphonyl fluorides and their preparation
Assignee: EIDP Inc
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Filing: 1939-07-25
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Granted: 1942-03-10
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Expires: 1959-07-25
Abstract
No abstract record available.
Inventors
- 👤 Paul L Salzberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:22
CPC Classifications
C; C07; C07C; C07C309/00; C09; C09K; C09K5/00; C09K5/20; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/02; C10M2219/00; C10M2219/04; C10M2219/044; C10N; C10N2040/00; C10N2040/20; C10N2040/22
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) | 1945-03-09 | 1945-09-08 | 1946-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-03-09 | 1949-09-08 | 1950-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-03-09 | 1953-09-08 | 1954-03-10 | $7700.00 | Window Closed / Lapsed |