US2567237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amides of 9, 10-epoxystearic acid
Assignee: Individual
•
Filing: 1949-05-20
•
Granted: 1951-09-11
•
Expires: 1969-05-20
Abstract
No abstract record available.
Inventors
- 👤 John T Scanlan
- 👤 Edward T Roe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:40
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/38; C07D303/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
9,10-EPOXYSTEARAMIDE HAVING THE FORMULA
Claim 2
Dependent Claim
4 words
9,10-EPOXYSTEARAMIDE HAVING THE FORMULA
References Cited (Backward Citations)
US2458484A
Cited
US2493090A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-10 | 1955-03-12 | 1955-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-10 | 1959-03-12 | 1959-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-10 | 1963-03-12 | 1963-09-11 | $7700.00 | Window Closed / Lapsed |