US3052679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heterocyclicaminoalkyl ethers of
Assignee: —
•
Filing: —
•
Granted: 1962-09-04
•
Expires: 1979-09-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:28
CPC Classifications
C; C07; C07D; C07D317/00; C07D317/08; C07D317/44; C07D317/70; C07D405/00; C07D405/02; C07D405/12; C07D405/14
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
1 words
4-METHYL-5,7-BIS-(B-MORPHOLINE-ETHOXY)-COUMARIN.
Claim 2
Dependent Claim
1 words
4-METHYL-5,7-BIS-(B-MORPHOLINE-ETHOXY)-COUMARIN.
Claim 3
Dependent Claim
8 words
A PHARMACEUTICALLY ACCEPTABLE ACID SOLUTION SALT OF 4-METHYL-5,7-BIS(B-MORPHOLINE-ETHOXY)-COUMARIN.
Claim 4
Dependent Claim
8 words
A PHARMACEUTICALLY ACCEPTABLE ACID SOLUTION SALT OF 4-METHYL-5,7-BIS(B-MORPHOLINE-ETHOXY)-COUMARIN.
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) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |