US2985649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Derivatives of thiabenzopyrrocoline, thiabenzopyridocoline and thiazepine
Assignee: Pfizer Inc
•
Filing: 1959-09-17
•
Granted: 1961-05-23
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Expires: 1979-09-17
Abstract
No abstract record available.
Inventors
- 👤 Joseph G Lombardino
- 👤 William M Mclamore
- 👤 Gerald D Laubach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:22
CPC Classifications
C; C07; C07D; C07D513/00; C07D513/02; C07D513/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
2 words
NAPHTH-(1,2-A)-5-OXO-9,10-DIMETHOXY-2,3,4,5,6,7HEXAHYDRO-11B-H -(1,5A)THIAZEPINE.
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) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |