US2775589A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted azacycloalkanes and process of producing them
Assignee: Wyeth LLC
•
Filing: 1955-06-28
•
Granted: 1956-12-25
•
Expires: 1975-06-28
Abstract
No abstract record available.
Inventors
- 👤 Diamond Julius
- 👤 William F Bruce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:44
CPC Classifications
A; A61; A61K; A61K31/00; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A COMPOUND OF THE GROUP CONSISTING OF
Claim 2
Dependent Claim
7 words
A COMPOUND OF THE GROUP CONSISTING OF
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) | 1959-12-25 | 1960-06-25 | 1960-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-25 | 1964-06-25 | 1964-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-25 | 1968-06-25 | 1968-12-25 | $7700.00 | Window Closed / Lapsed |