US2773899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkenoic amides of arylethers of alkanolamines
Assignee: Cilag AG
•
Filing: 1954-11-23
•
Granted: 1956-12-11
•
Expires: 1974-11-23
Abstract
No abstract record available.
Inventors
- 👤 Martin Henry
- 👤 Zutter Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:12
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/48; A; A01; A01N; A01N39/00; C11D1/00; C11D1/38; C11D1/52; C11D1/523
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
AN AMIDE HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
6 words
AN AMIDE HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
US2541930A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |