Patent US3331850A successfully refreshed from Google Patents.
US3331850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
5-(aryloxymethyl)-2-oxazolidinethiones
Assignee: Pharmacia and Upjohn Co
•
Filing: 1964-05-13
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Granted: 1967-07-18
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Expires: 1984-05-13
Abstract
No abstract record available.
Inventors
- 👤 Gilbert A Youngdale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:11
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/34; C07D207/36; C07D207/40; C07D207/404; C07D263/00; C07D263/02; C07D263/08; C07D263/16; G; G03; G03C; G03C5/00; G03C5/26; G03C5/29; G03C5/305
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
1 words
5-(A.A.A-TRIFLUORO-O-TOLYLOXY)METHYL)-2-OXAZOLIDINETHIONE.
Claim 2
Dependent Claim
1 words
5-(A.A.A-TRIFLUORO-O-TOLYLOXY)METHYL)-2-OXAZOLIDINETHIONE.
References Cited (Backward Citations)
US2493471A
Cited
US2513346A
Cited
US2895959A
Cited
US3062827A
Cited
US3018291A
Cited
US3017416A
Cited
GB912947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |