US3318901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-dialkylaminoalkyl-1-xanthenylpiper-idinecarboxamides and related compounds
Assignee: GD Searle LLC
•
Filing: 1966-02-07
•
Granted: 1967-05-09
•
Expires: 1986-02-07
Abstract
No abstract record available.
Inventors
- 👤 John W Cusic
- 👤 Yonan Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:54
CPC Classifications
C; C07; C07D; C07D405/00; C07D405/02; C07D405/12; C07D311/00; C07D311/02; C07D311/78; C07D311/80; C07D311/82; C07D311/84; C07D311/88; C07D311/90; C07D335/00; C07D335/04; C07D335/10; C07D335/12; C07D335/14; C07D335/18; C07D335/20; C07D409/00; C07D409/02; C07D409/12
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
10 words
A COMPOUND ACCORDING TO CLAIM 1 WHICH HAS THE FORMULA
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) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |