Patent US3203954A successfully refreshed from Google Patents.
US3203954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel 3, 5-disubstituted-1, 2, 6-(2h)-thiadiazine-1, 1-dioxides
Assignee: Pharmacia and Upjohn Co
•
Filing: 1963-07-15
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Granted: 1965-08-31
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Expires: 1983-07-15
Abstract
No abstract record available.
Inventors
- 👤 John B Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:35
CPC Classifications
C; C07; C07D; C07D285/00; C07D285/15; C07D285/16; C07D417/00; C07D417/02; C07D417/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A COMPOUND OF THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
6 words
A COMPOUND OF THE STRUCTURAL FORMULA
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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |