US3472895A
Expired / Lapsed
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Aminoalkylenenortricyclenes
Assignee: Mallinckrodt Chemical Works
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Filing: 1966-12-23
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Granted: 1969-10-14
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Expires: 1986-12-23
Abstract
No abstract record available.
Inventors
- 👤 Allan Poe Gray
- 👤 Donald E Heitmeier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:19
CPC Classifications
C; C07; C07C; C07C317/00; C07C317/26; A; A61; A61K; A61K31/00; A61K31/13; A61K31/145; A61K31/33; A61K31/395; A61K31/435; A61K31/44; A61K31/445; A61K31/4453; C07C323/00; C07C323/23; C07C323/24; C07C323/26; C07D; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07C2601/00; C07C2601/12; C07C2601/16
Claims Analysis
Total Claims: 0
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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) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |