US2662092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cycloalkyl esters of basically substituted isocyclylcarbamic acids and their salts
Assignee: GD Searle LLC
•
Filing: 1951-12-26
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Granted: 1953-12-08
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Expires: 1971-12-26
Abstract
No abstract record available.
Inventors
- 👤 John W Cusic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:44
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/12; C07D295/125; C07D295/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
THE NEW GROUP OF ORGANIC COMPOUNDS CONSISTING OF THE ESTERS OF THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
14 words
THE NEW GROUP OF ORGANIC COMPOUNDS CONSISTING OF THE ESTERS OF THE STRUCTURAL FORMULA
References Cited (Backward Citations)
US2520586A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |