Patent JPS61219787A successfully refreshed from Google Patents.
Patent US2824106A successfully refreshed from Google Patents.
US2824106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quaternary tropeine compounds and a process of making same
Assignee: —
•
Filing: —
•
Granted: 1958-02-18
•
Expires: 1975-02-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:55
CPC Classifications
C; C07; C07D; C07D451/00; C07D451/02; C07D451/04; C07D451/06; C07D451/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
23 words
N-ALKYL ATROPINIUM HALOGENIDE SELECTED FROM THE GROUP CONSISTING OF THE CHLORIDE, BROMIDE, AND IODIDE, ITS ALKYL RADICAL HAVING 7 TO 11 CARBON ATOMS.
References Cited (Backward Citations)
US2305460A
Cited
US2734062A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |