US3372196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
5-(3-methyl-aminopropyl)-5h-dibenzo [a, d]-cycloheptene
Assignee: Merck and Co Inc
•
Filing: 1966-11-25
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Granted: 1968-03-05
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Expires: 1986-11-25
Abstract
No abstract record available.
Inventors
- 👤 Edward L Engelhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:46
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/44; C07D209/48; C07C; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/30; C07C2603/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3258488A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |