US2518154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-alpha-auro-mercapto-acetyl-aminophenols
Assignee: Individual
•
Filing: 1947-12-16
•
Granted: 1950-08-08
•
Expires: 1967-12-16
Abstract
No abstract record available.
Inventors
- 👤 Lewenstein Mozes Juda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:50
CPC Classifications
C; C07; C07C; C07C323/00; C07C323/50; C07C323/51; C07C323/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
THE N - ALPHA-AURO-MERCAPTO-ACETYL-ORTHO AMINOPHENOL.
Claim 2
Dependent Claim
5 words
THE N - ALPHA-AURO-MERCAPTO-ACETYL-ORTHO AMINOPHENOL.
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) | 1953-08-07 | 1954-02-06 | 1954-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-07 | 1958-02-06 | 1958-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-07 | 1962-02-06 | 1962-08-08 | $7700.00 | Window Closed / Lapsed |