US2748116A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arylcycloalkyloxyalkylamine derivatives and methods for their preparation
Assignee: GD Searle LLC
•
Filing: 1951-12-20
•
Granted: 1956-05-29
•
Expires: 1971-12-20
Abstract
No abstract record available.
Inventors
- 👤 John W Cusic
- 👤 Clinton A Dornfeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:51
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
THE PROCESS OF PREPARING A COMPOUND OF THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
10 words
THE PROCESS OF PREPARING A COMPOUND OF THE STRUCTURAL FORMULA
References Cited (Backward Citations)
GB484906A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |