US2856427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted glycinamides
Assignee: Wyeth LLC
•
Filing: 1956-04-25
•
Granted: 1958-10-14
•
Expires: 1976-04-25
Abstract
No abstract record available.
Inventors
- 👤 William F Bruce
- 👤 Seifter Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:32
CPC Classifications
C; C07; C07C; C07C237/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
AS A NEW COMPOUND, ALPHA-(2-HYDROXYETHYLAMINO)N,N-DI-BUTY ACETAMIDE.
Claim 2
Dependent Claim
6 words
AS A NEW COMPOUND, ALPHA-(2-HYDROXYETHYLAMINO)N,N-DI-BUTY ACETAMIDE.
References Cited (Backward Citations)
US2368208A
Cited
US2580411A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |