US3206470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel pyrrolo[1, 2-alpha]indoles
Assignee: Wyeth Holdings LLC
•
Filing: 1962-06-07
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Granted: 1965-09-14
•
Expires: 1982-06-07
Abstract
No abstract record available.
Inventors
- 👤 Jr George Rodger Allen
- 👤 Poletto John Frank
- 👤 Remers William Alan
- 👤 Weiss Martin Joseph
- 👤 Webb John Schurr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:51
CPC Classifications
C; C07; C07D; C07D487/00; C07D487/02; C07D487/04; A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/40
Claims Analysis
Total Claims: 4
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
5 words
A COMPOUND OF THE FORMULA:
Claim 4
Dependent Claim
5 words
A COMPOUND OF THE FORMULA:
References Cited (Backward Citations)
US2707187A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |