Patent US3152145A successfully refreshed from Google Patents.
US3152145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
5-aryl-3, 1, 4-benzoxadiazepine-2 (1h)-ones
Assignee: Wyeth LLC
•
Filing: 1962-05-23
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Granted: 1964-10-06
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Expires: 1982-05-23
Abstract
No abstract record available.
Inventors
- 👤 Theodore S Sulkowski
- 👤 Scott J Childress
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:41
CPC Classifications
C; C07; C07D; C07D273/00; C07D273/02; C07D273/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A 5-ARYL-3,1,4-BENZOXADIAZEPINE-2(1H)-ONE HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
A 5-ARYL-3,1,4-BENZOXADIAZEPINE-2(1H)-ONE 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) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |