US3290303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted dihydro-thiadiazines
Assignee: Dow Chemical Co
•
Filing: 1964-09-04
•
Granted: 1966-12-06
•
Expires: 1984-09-04
Abstract
No abstract record available.
Inventors
- 👤 Donald L Trepanier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:44
CPC Classifications
C; C07; C07D; C07D285/00; C07D285/15; C07D285/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 5,6-DIHYDRO-4H-1,3,4-THIADIAZINES HAVING THE FORMULA
Claim 2
Dependent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 5,6-DIHYDRO-4H-1,3,4-THIADIAZINES HAVING 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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |