US2800476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ester-like g-alkoxy-iropine derivatives
Assignee: —
•
Filing: —
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Granted: 1957-07-23
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Expires: 1974-07-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:18
CPC Classifications
C; C07; C07D; C07D401/00; C07D401/02; C07D401/12; A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/46; C07D451/00; C07D451/02; C07D451/04; C07D451/06; C07D451/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 6-ALKOXY-TROPINE DERIVATIVES WITH CORRESPOND TO THE FORMULA
Claim 2
Dependent Claim
15 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 6-ALKOXY-TROPINE DERIVATIVES WITH CORRESPOND TO 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) | 1960-07-22 | 1961-01-21 | 1961-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-22 | 1965-01-21 | 1965-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-22 | 1969-01-21 | 1969-07-23 | $7700.00 | Window Closed / Lapsed |