US3155649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Benzothiazocinones, related compounds and their preparation
Assignee: Olin Corp
•
Filing: 1962-07-11
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Granted: 1964-11-03
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Expires: 1982-07-11
Abstract
No abstract record available.
Inventors
- 👤 Krapcho John
- 👤 Chester F Turk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:09
CPC Classifications
C; C07; C07D; C07D281/00; C07D281/18
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
3 words
8-(2-DIMETHYLAMINOETHYL) -2- (P-METHOXYPHENYL)2,3,4,5-TETRAHYDRO-2H-1,8-BENZOTHIAZECIN-7(8H)-ONE.
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) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |