US2714593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dihydropyrrolo-(3.2-c) quinoline derivatives
Assignee: Schenley Industries Inc
•
Filing: 1953-04-28
•
Granted: 1955-08-02
•
Expires: 1973-04-28
Abstract
No abstract record available.
Inventors
- 👤 Horlein Hans Ulrich
- 👤 Andersag Hans
- 👤 Timmler Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:39
CPC Classifications
C; C07; C07D; C07D471/00; C07D471/02; C07D471/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
AS A NEW CHEMICAL COMPOUND, A SUBSTANCE CHOSEN FROM THE GROUP CONSISTING OF COMPOUNDS REPRESENTED BY THE FORMULA:
Claim 2
Dependent Claim
18 words
AS A NEW CHEMICAL COMPOUND, A SUBSTANCE CHOSEN FROM THE GROUP CONSISTING OF COMPOUNDS REPRESENTED BY THE FORMULA:
References Cited (Backward Citations)
US2196776A
Cited
US2650229A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-01 | 1959-01-31 | 1959-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-01 | 1963-01-31 | 1963-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-01 | 1967-01-31 | 1967-08-02 | $7700.00 | Window Closed / Lapsed |