US2987544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tranquilizers
Assignee: —
•
Filing: —
•
Granted: 1961-06-06
•
Expires: 1978-06-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:34
CPC Classifications
C; C07; C07C; C07C235/00; C07C235/02; C07C235/32; C07C235/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
3 words
3,4,5-TRIMETHOXY-N-CYCLOPROPYLBENZAMIDE. 2. 3,4,5-TRIMETHOXY-N-CYCLOPROPYLCINNAMIDE.
Claim 2
Dependent Claim
3 words
3,4,5-TRIMETHOXY-N-CYCLOPROPYLBENZAMIDE. 2. 3,4,5-TRIMETHOXY-N-CYCLOPROPYLCINNAMIDE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |