US3256284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxamide derivatives
Assignee: Rhone Poulenc SA
•
Filing: 1963-07-02
•
Granted: 1966-06-14
•
Expires: 1983-07-02
Abstract
No abstract record available.
Inventors
- 👤 Rio Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:44
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/16; C07D295/18; C07D295/182; C07D295/185; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/50; C07F9/53; C07F9/5325; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/38; C08G18/3819; C08G18/3823; C08G18/3825; C08G63/00; C08G63/68; C08G63/685; C08G63/6854; C08G63/688; C08G63/6884; C08G63/692; C08G63/6924; C08G69/00; C08G69/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
DIOLS OF THE FORMULA:
Claim 2
Dependent Claim
4 words
DIOLS OF THE FORMULA:
References Cited (Backward Citations)
FR1338399A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |