US3192231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unsaturated substituted cyclic sulfones and process for preparing the same
Assignee: Wyeth Holdings LLC
•
Filing: 1962-09-19
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Granted: 1965-06-29
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Expires: 1982-09-19
Abstract
No abstract record available.
Inventors
- 👤 Welcher Richard Parke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:19
CPC Classifications
C; C07; C07D; C07D333/00; C07D333/02; C07D333/46; C07D333/48; C08; C08K; C08K5/00; C08K5/36; C08K5/45
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
AN UNSATURATED SUBSTITUTED CYCLIC SULFONE OF THE FORMULA:
Claim 2
Dependent Claim
8 words
AN UNSATURATED SUBSTITUTED CYCLIC SULFONE OF THE FORMULA:
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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |