Patent US3485842A successfully refreshed from Google Patents.
US3485842A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heterocyclic compounds and means for producing the same
Assignee: Individual
•
Filing: 1966-06-14
•
Granted: 1969-12-23
•
Expires: 1986-06-14
Abstract
No abstract record available.
Inventors
- 👤 John Davoll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:34
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/70; C07D239/72; C07D239/95; A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/47; C07C; C07C65/00; C07C65/01; C07C65/105; C07C65/11; Y; Y02; Y02A; Y02A50/00; Y02A50/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |