US2701809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nu-caylamido fatty acid compounds
Assignee: Individual
•
Filing: 1951-01-09
•
Granted: 1955-02-08
•
Expires: 1971-01-09
Abstract
No abstract record available.
Inventors
- 👤 Plaut Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:24
CPC Classifications
C; C07; C07C; C07C233/00; C07C233/01; C07C233/45
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
AN N-ACYLAMIDO ACID COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
7 words
AN N-ACYLAMIDO ACID COMPOUND OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-07 | 1958-08-09 | 1959-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-07 | 1962-08-09 | 1963-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-07 | 1966-08-09 | 1967-02-08 | $7700.00 | Window Closed / Lapsed |