Patent US2548863A successfully refreshed from Google Patents.
US2548863A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted glycinamides
Assignee: Wyeth LLC
•
Filing: 1946-05-29
•
Granted: 1951-04-17
•
Expires: 1966-05-29
Abstract
No abstract record available.
Inventors
- 👤 William F Bruce
- 👤 Seifter Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:16
CPC Classifications
C; C07; C07C; C07C233/00; C07C237/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
NEW COMPOUNDS OF THE GROUP CONSISTING OF SUBSTITUTED GLYCINAMIDES, CORRESPONDING TO THE FORMULA
Claim 2
Dependent Claim
13 words
NEW COMPOUNDS OF THE GROUP CONSISTING OF SUBSTITUTED GLYCINAMIDES, CORRESPONDING TO THE FORMULA
References Cited (Backward Citations)
US2229744A
Cited
US2073100A
Cited
US2256186A
Cited
US2139190A
Cited
US2153707A
Cited
CH212562A
Cited
US2295655A
Cited
US2356587A
Cited
US2258721A
Cited
US2326497A
Cited
US2411662A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |