US2956997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted 3, 5-dioxo-tetrahydro-1, 2, 6-thiadiazine-1, 1-dioxides
Assignee: Novartis Corp
•
Filing: 1958-03-24
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Granted: 1960-10-18
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Expires: 1978-03-24
Abstract
No abstract record available.
Inventors
- 👤 Teufel Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:20
CPC Classifications
A; A61; A61K; A61K31/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF A 3.5-DIOXOTETRAHYDRO-1.2.6-THIADIAZINE-1.1-DIOXIDE DERIVATIVE OF THE FORMULA:
Claim 2
Dependent Claim
14 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF A 3.5-DIOXOTETRAHYDRO-1.2.6-THIADIAZINE-1.1-DIOXIDE DERIVATIVE OF THE FORMULA:
References Cited (Backward Citations)
US2473042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |