US3409640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
5-(3'-dimethylamino-2'-methyl-propyl)dibenzocycloheptenes
Assignee: Merck Sharp & Dohme LLC
•
Filing: 1959-07-22
•
Granted: 1968-11-05
•
Expires: 1979-07-22
Abstract
No abstract record available.
Inventors
- 👤 Frank J Villani
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:39
CPC Classifications
C; C07; C07C; C07C65/00; C07C65/32; C07C65/34; C07C49/00; C07C49/587; C07C49/657; C07C49/665; C07C49/675; C07C49/687; C07C49/697; C07C49/753; C07C49/755; C07C51/00; C07C51/08; C07C51/09; C07C51/347; C07C51/373; C07C57/00; C07C57/52; C07C57/58; C07C59/00; C07C59/40; C07C59/58; C07C59/64; C07C63/00; C07C63/04; C07C63/66; C07C63/68; C07C63/72; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/30; C07C2603/32; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/93; Y10S585/931
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
5-(3''-DIMETHYLAMINO-2'' - METHYLPROPYL)DIBENZO(A,D) (1,4)-CYCLOHEPTADIENE.
Claim 2
Dependent Claim
4 words
5-(3''-DIMETHYLAMINO-2'' - METHYLPROPYL)DIBENZO(A,D) (1,4)-CYCLOHEPTADIENE.
References Cited (Backward Citations)
US2280058A
Cited
US2513487A
Cited
GB618034A
Cited
GB627139A
Cited
US2649444A
Cited
US2676971A
Cited
US2739984A
Cited
GB736372A
Cited
US3013020A
Cited
US2948724A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |