US2684962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3-beta hydroxyalkyl-3, (1) benz-2-3-4-5 tetrahydro-azepines
Assignee: MALTBIE LAB Inc
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Filing: 1953-03-05
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Granted: 1954-07-27
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Expires: 1973-03-05
Abstract
No abstract record available.
Inventors
- 👤 Lewis A Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:12
CPC Classifications
C; C07; C07D; C07D223/00; C07D223/14; C07D223/16; A; A61; A61K; A61K31/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A COMPOUND OF THE CLASS CONSISTING OF AZEPINES OF THE FORMULA-
Claim 2
Dependent Claim
11 words
A COMPOUND OF THE CLASS CONSISTING OF AZEPINES OF 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) | 1957-07-26 | 1958-01-25 | 1958-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-26 | 1962-01-25 | 1962-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-26 | 1966-01-25 | 1966-07-27 | $7700.00 | Window Closed / Lapsed |