US3105834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-(5-nitro-2-furyl)-imidazo [1, 2-alpha]-pyridine or-pyrimidine
Assignee: Warner Chilcott Pharmaceuticals Inc
•
Filing: 1961-10-11
•
Granted: 1963-10-01
•
Expires: 1981-10-11
Abstract
No abstract record available.
Inventors
- 👤 Peter H L Wei
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:29
CPC Classifications
C; C07; C07D; C07D471/00; C07D471/02; C07D471/04; A; A61; A61K; A61K31/00; A61K31/33; A61K31/335; A61K31/34; A61K31/345; C07D487/00; C07D487/02; C07D487/04; C07F; C07F3/00; C07F3/02; C08; C08F; C08F10/00; C08F4/00; C08F4/06; C08F4/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A CHEMICAL COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
6 words
A CHEMICAL COMPOUND 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) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |