US3367949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfanilamides
Assignee: Eli Lilly and Co
•
Filing: 1966-08-22
•
Granted: 1968-02-06
•
Expires: 1986-08-22
Abstract
No abstract record available.
Inventors
- 👤 Quentin F Soper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:57
CPC Classifications
C; C07; C07D; C07D203/00; C07D203/04; C07D203/06; C07D203/22; C07D203/24; C07D295/00; C07D295/04; C07D295/08; C07D295/22
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA:
Claim 3
Dependent Claim
10 words
A COMPOUND AS IN CLAIM 1, SAID COMPOUND BEING 3,5DINITRO-N4,N4-DI(N-PROPYL)SULFANILAMIDE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |