Patent US2921077A successfully refreshed from Google Patents.
US2921077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-methyl-6-carbalkoxy-n-alkylaminoacylanilides
Assignee: Schenley Industries Inc
•
Filing: 1956-09-19
•
Granted: 1960-01-12
•
Expires: 1976-09-19
Abstract
No abstract record available.
Inventors
- 👤 Hiltmann Rudolf
- 👤 Mietzsch Frit
- 👤 Wirth Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:02
CPC Classifications
C; C07; C07K; C07K1/00; C07K1/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
2-METHYL - 6 - CARBOMETHOXY - (1'' - PIPERIDINO) ACETANLIDE.
Claim 2
Dependent Claim
20 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF 2METHYL - 6 -CARBALKOXY - N - ALKLAMINOACYLANILIDES HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US619549A
Cited
US2657210A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |